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annotate etc/NEWS.3 @ 20076:781adfc2958c draft obsolete nkf

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Build qt graphics toolkit menus with uimenu * libgui/graphics/Figure.cc, libgui/graphics/Figure.h: Revert cset 7335cc071ab0 and remove all menu items. * scripts/gui/private/__get_funcname__.m: Fix typo * scripts/plot/util/private/__add_default_menu__.m: Enable uimenu for qt graphics toolkit and fix setting pan/rotate/zoom for qt and fltk
author Stefan Mahr <dac922@gmx.de>
date Fri, 27 Feb 2015 18:36:05 +0100
parents be7ac98fab43
children
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1 Summary of important user-visible changes for version 3.8:
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2 ---------------------------------------------------------
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3
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4 ** One of the biggest new features for Octave 3.8 is a graphical user
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5 interface. It is the one thing that users have requested most
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6 often over the last few years and now it is almost ready. But
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7 because it is not quite as polished as we would like, we have
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8 decided to wait until the 4.0.x release series before making the
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9 GUI the default interface (until then, you can use the --force-gui
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10 option to start the GUI).
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11
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12 Given the length of time and the number of bug fixes and
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13 improvements since the last major release Octave, we also decided
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14 against delaying the release of all these new improvements any
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15 longer just to perfect the GUI. So please enjoy the 3.8 release of
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16 Octave and the preview of the new GUI. We believe it is working
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17 reasonably well, but we also know that there are some obvious rough
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18 spots and many things that could be improved.
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19
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20 WE NEED YOUR HELP. There are many ways that you can help us fix
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21 the remaining problems, complete the GUI, and improve the overall
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22 user experience for both novices and experts alike:
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23
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24 * If you are a skilled software developer, you can help by
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25 contributing your time to help with Octave's development. See
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26 http://octave.org/get-involved.html for more information.
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27
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28 * If Octave does not work properly, you are encouraged
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29 report the problems you find. See http://octave.org/bugs.html
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30 for more information about how to report problems.
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31
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32 * Whether you are a user or developer, you can help to fund the
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33 project. Octave development takes a lot of time and expertise.
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34 Your contributions help to ensure that Octave will continue to
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35 improve. See http://octave.org/donate.html for more details.
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36
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37 We hope you find Octave to be useful. Please help us make it even
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38 better for the future!
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39
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40 ** Octave now uses OpenGL graphics by default with FLTK widgets. If
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41 OpenGL libraries or FLTK widgets are not available when Octave is
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42 built, gnuplot is used. You may also choose to use gnuplot for
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43 graphics by executing the command
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44
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45 graphics_toolkit ("gnuplot")
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46
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47 Adding this command to your ~/.octaverc file will set the default
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48 for each session.
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49
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50 ** Printing or saving figures with OpenGL graphics requires the
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51 gl2ps library which is no longer distributed with Octave. The
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52 software is widely available in most package managers. If a
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53 pre-compiled package does not exist for your system, you can find
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54 the current sources at http://www.geuz.org/gl2ps/.
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55
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56 ** Octave now supports nested functions with scoping rules that are
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57 compatible with Matlab. A nested function is one declared and defined
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58 within the body of another function. The nested function is only
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59 accessible from within the enclosing function which makes it one
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60 method for making private functions whose names do not conflict with those
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61 in the global namespace (See also subfunctions and private functions).
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62 In addition, variables in the enclosing function are visible within the
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63 nested function. This makes it possible to have a pseudo-global variable
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64 which can be seen by a group of functions, but which is not visible in
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65 the global namespace.
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66
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67 Example:
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68 function outerfunc (...)
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69 ...
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70 function nested1 (...)
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71 ...
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72 function nested2 (...)
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73 ...
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74 endfunction
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75 endfunction
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76
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77 function nested3 (...)
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78 ...
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79 endfunction
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80 endfunction
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81
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82 ** Line continuations inside character strings have changed.
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83
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84 The sequence '...' is no longer recognized as a line continuation
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85 inside a character string. A backslash '\' followed by a newline
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86 character is no longer recognized as a line continuation inside
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87 single-quoted character strings. Inside double-quoted character
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88 strings, a backslash followed by a newline character is still
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89 recognized as a line continuation, but the backslash character must
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90 be followed *immediately* by the newline character. No whitespace or
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91 end-of-line comment may appear between them.
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92
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93 ** Backslash as a continuation marker outside of double-quoted strings
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94 is now deprecated.
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95
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96 Using '\' as a continuation marker outside of double quoted strings
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97 is now deprecated and will be removed from a future version of
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98 Octave. When that is done, the behavior of
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99
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100 (a \
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101 b)
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102
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103 will be consistent with other binary operators.
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104
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105 ** Redundant terminal comma accepted by parser
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106
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107 A redundant terminal comma is now accepted in matrix
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108 definitions which allows writing code such as
18048
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109
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110 [a,...
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111 b,...
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112 c,...
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113 ] = deal (1,2,3)
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114
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115 ** Octave now has limited support for named exceptions
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116
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117 The following syntax is now accepted:
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118
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119 try
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120 statements
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121 catch exception-id
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122 statements
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123 end
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124
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125 The exception-id is a structure with the fields "message" and
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126 "identifier". For example
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127
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128 try
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129 error ("Octave:error-id", "error message");
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130 catch myerr
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131 printf ("identifier: %s\n", myerr.identifier);
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132 printf ("message: %s\n", myerr.message);
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133 end_try_catch
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134
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135 When classdef-style classes are added to Octave, the exception-id
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136 will become an MException object.
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137
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138 ** Warning states may now be set temporarily, until the end of the
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139 current function, using the syntax
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140
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141 warning STATE ID "local"
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142
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143 in which STATE may be "on", "off", or "error". Changes to warning
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144 states that are set locally affect the current function and all
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145 functions called from the current scope. The previous warning state
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146 is restored on return from the current function. The "local"
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147 option is ignored if used in the top-level workspace.
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148
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149 ** Warning IDs renamed:
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150
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151 Octave:array-as-scalar => Octave:array-to-scalar
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152 Octave:array-as-vector => Octave:array-to-vector
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153
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154 ** 'emptymatch', 'noemptymatch' options added to regular expressions.
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155
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156 With this addition Octave now accepts the entire set of Matlab options
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157 for regular expressions. 'noemptymatch' is the default, but 'emptymatch'
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158 has certain uses where you need to match an assertion rather than actual
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159 characters. For example,
18048
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160
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161 regexprep ('World', '^', 'Hello ', 'emptymatch')
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162 => Hello World
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163
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164 where the pattern is actually the assertion '^' or start-of-line.
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165
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166 ** For compatibility with Matlab, the regexp, regexpi, and regexprep
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167 functions now process backslash escape sequences in single-quoted pattern
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168 strings. In addition, the regexprep function now processes backslash
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169 escapes in single-quoted replacement strings. For example,
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170
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171 regexprep (str, '\t', '\n')
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172
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173 would search the variable str for a TAB character (escape sequence \t)
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174 and replace it with a NEWLINE (escape sequence \n). Previously the
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175 expression would have searched for a literal '\' followed by 't' and
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176 replaced the two characters with the sequence '\', 'n'.
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177
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178 ** A TeX parser has been implemented for the FLTK toolkit and is the default
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179 for any text object including titles and axis labels. The TeX parser is
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180 supported only for display on a monitor, not for printing.
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181
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182 A quick summary of features:
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183
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184 Code Feature Example Comment
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185 -----------------------------------------------------------------
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186 _ subscript H_2O formula for water
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187 ^ exponent y=x^2 formula for parabola
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188 \char symbol \beta Greek symbol beta
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189 \fontname font \fontname{Arial} set Arial font
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190 \fontsize fontsize \fontsize{16} set fontsize 16
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191 \color[rgb] fontcolor \color[rgb]{1 0 1} set magenta color
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192 \bf bold \bfBold Text bold font
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193 \it italic \itItalic Text italic font
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194 \sl slanted \slOblique Text slanted font
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195 \rm normal \bfBold\rmNormal normal font
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196 {} group {\bf Bold}Normal group objects
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197 e^{i*\pi} = -1 group objects
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198
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199 ** The m-files in the plot directory have been overhauled.
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200
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201 The plot functions now produce output that is nearly visually compatible
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202 with Matlab. Plot performance has also increased, dramatically for some
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203 functions such as comet and waitbar. Finally, the documentation for most
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204 functions has been updated so it should be clearer both how to use a
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205 function and when a function is appropriate.
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206
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207 ** The m-files in the image directory have been overhauled.
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208
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209 The principal benefit is that Octave will now no longer automatically
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210 convert images stored with integers to doubles. Storing images as uint8
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211 or uint16 requires only 1/8 or 1/4 the memory of an image stored using
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212 doubles. For certain operations, such as fft2, the image must still be
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213 converted to double in order to work.
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214
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215 Other changes include fixes to the way indexed images are read from a
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216 colormap depending on the image class (integer images have a -1 offset to
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217 the colormap row number).
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218
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219 ** The imread and imwrite functions have been completely rewritten.
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220
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221 The main changes relate to the alpha channel, support for reading and
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222 writing of floating point images, implemented writing of indexed images,
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223 and appending images to multipage image files.
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224
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225 The issues that may arise due to backwards incompatibility are:
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226
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227 * imwrite no longer interprets a length of 2 or 4 in the third dimension
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228 as grayscale or RGB with alpha channel (a length of 4 will be saved
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229 as a CMYK image). Alpha channel must be passed as separate argument.
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230
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231 * imread will always return the colormap indexes when reading an indexed
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232 image, even if the colormap is not requested as output.
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233
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234 * transparency values are now inverted from previous Octave versions
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235 (0 is for completely transparent instead of completely opaque).
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236
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237 In addition, the function imformats has been implemented to expand
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238 reading and writing of images of different formats through imread
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239 and imwrite.
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240
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241 ** The colormap function now provides new options--"list", "register",
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242 and "unregister"--to list all available colormap functions, and to
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243 add or remove a function name from the list of known colormap
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244 functions. Packages that implement extra colormaps should use these
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245 commands with PKG_ADD and PKG_DEL statements.
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246
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247 ** strsplit has been modified to be compatible with Matlab. There
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248 are two instances where backward compatibility is broken.
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249
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250 (1) Delimiters are now string vectors, not scalars.
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251
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252 Octave's legacy behavior
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253
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254 strsplit ("1 2, 3", ", ")
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255 ans =
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256 {
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257 [1,1] = 1
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258 [1,2] = 2
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259 [1,3] =
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260 [1,4] = 3
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261 }
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262
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263 Matlab compatible behavior
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264
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265 strsplit ("1 2, 3", ", ")
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266 ans =
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267 {
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268 [1,1] = 1 2
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269 [1,2] = 3
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270 }
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271
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272 (2) By default, Matlab treats consecutive delimiters as a single
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273 delimiter. By default, Octave's legacy behavior was to return an
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274 empty string for the part between the delmiters.
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275
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276 Where legacy behavior is desired, the call to strsplit() may be
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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277 replaced by ostrsplit(), which is Octave's original implementation of
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278 strsplit().
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279
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280 ** The datevec function has been extended for better Matlab compatibility.
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281 It now accepts string inputs in the following numerical formats: 12, 21,
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282 22, 26, 29, 31. This is undocumented, but verifiable, Matlab behavior.
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283 In addition, the default for formats which do not specify a date is
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284 January 1st of the current year. The previous default was the current day,
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diff changeset
285 month, and year. This may produce changes in existing scripts.
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286
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287 ** The error function and its derivatives has been extended to accept complex
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288 arguments. The following functions now accept complex inputs:
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289
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290 erf erfc erfcx
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291
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292 In addition two new error functions erfi (imaginary error function) and
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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293 dawson (scaled imaginary error function) have been added.
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294
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295 ** The glpk function has been modified to reflect changes in the GLPK
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296 library. The "round" and "itcnt" options have been removed. The
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297 "relax" option has been replaced by the "rtest" option. The numeric
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298 values of error codes and of some options have also changed.
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299
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300 ** The kurtosis function has changed definition to be compatible with
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301 Matlab. It now returns the base kurtosis instead of the "excess kurtosis".
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302 The old behavior can be had by changing scripts to normalize with -3.
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303
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304 "excess kurtosis" = kurtosis (x) - 3
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305
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306 ** The moment function has changed definition to be compatible with
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307 Matlab. It now returns the central moment instead of the raw moment.
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308 The old behavior can be had by passing the type argument "r" for raw.
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309
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310 ** The default name of the Octave crash dump file is now
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311 "octave-workspace" instead of "octave-core". The exact name can
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312 always be customized with the octave_core_file_name function.
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313
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314 ** A citation command has been added to display information on how to
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diff changeset
315 cite Octave and packages in publications. The package system will
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diff changeset
316 look for and install CITATION files from packages.
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317
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318 ** The java package from Octave Forge is now part of core Octave. The
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diff changeset
319 following new functions are available for interacting with Java
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
320 directly from Octave:
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321
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322 debug_java java_matrix_autoconversion
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323 isjava java_unsigned_autoconversion
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324 java2mat javaaddpath
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diff changeset
325 javaArray javaclasspath
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326 javaMethod javamem
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diff changeset
327 javaObject javarmpath
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328 usejava
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329
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330 In addition, the following functions that use the Java interface
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331 are now available (provided that Octave is compiled with support for
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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332 Java enabled):
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333
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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334 helpdlg listdlg questdlg
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diff changeset
335 inputdlg msgbox warndlg
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336
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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337 ** Other new functions added in 3.8.0:
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338
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339 atan2d erfi lines
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340 base64_decode expint linsolve
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diff changeset
341 base64_encode findfigs missing_component_hook
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342 betaincinv flintmax polyeig
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343 built_in_docstrings_file fminsearch prefdir
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344 cmpermute gallery preferences
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345 cmunique gco readline_re_read_init_file
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346 colorcube hdl2struct readline_read_init_file
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347 copyobj history_save rgbplot
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348 dawson imformats save_default_options
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349 dblist importdata shrinkfaces
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350 desktop isaxes splinefit
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351 doc_cache_create iscolormap stemleaf
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352 ellipj isequaln strjoin
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diff changeset
353 ellipke jit_debug struct2hdl
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354 erfcinv jit_enable tetramesh
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355 jit_startcnt waterfall
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356
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diff changeset
357 ** Deprecated functions.
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358
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diff changeset
359 The following functions were deprecated in Octave 3.4 and have been
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
360 removed from Octave 3.8.
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diff changeset
361
18048
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diff changeset
362 autocor dispatch is_global setstr
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
363 autocov fstat krylovb strerror
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diff changeset
364 betai gammai perror values
19792
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diff changeset
365 cellidx glpkmex replot
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diff changeset
366 cquad is_duplicate_entry saveimage
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diff changeset
367
18048
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diff changeset
368 The following functions have been deprecated in Octave 3.8 and will
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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369 be removed from Octave 3.12 (or whatever version is the second major
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
370 release after 3.8):
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
371
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diff changeset
372 default_save_options java_new
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diff changeset
373 gen_doc_cache java_set
18048
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374 interp1q java_unsigned_conversion
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diff changeset
375 isequalwithequalnans javafields
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diff changeset
376 java_convert_matrix javamethods
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diff changeset
377 java_debug re_read_readline_init_file
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diff changeset
378 java_get read_readline_init_file
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diff changeset
379 java_invoke saving_history
18048
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diff changeset
380
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
381
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
382 The following keywords have been deprecated in Octave 3.8 and will
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
383 be removed from Octave 3.12 (or whatever version is the second major
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
384 release after 3.8):
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
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diff changeset
385
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
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diff changeset
386 static
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
387
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
388 The following configuration variables have been deprecated in Octave
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
389 3.8 and will be removed from Octave 3.12 (or whatever version is the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
390 second major release after 3.8):
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
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diff changeset
391
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
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diff changeset
392 CC_VERSION (now GCC_VERSION)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
393 CXX_VERSION (now GXX_VERSION)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
394
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
395 The internal class <Octave_map> has been deprecated in Octave 3.8 and will
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
396 be removed from Octave 3.12 (or whatever version is the second major
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
397 release after 3.8). Replacement classes are <octave_map> (struct array)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
398 or <octave_scalar_map> for a single structure.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
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diff changeset
399
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
400 Summary of important user-visible changes for version 3.6:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
401 ---------------------------------------------------------
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
402
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
403 ** The PCRE library is now required to build Octave. If a pre-compiled
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
404 package does not exist for your system, you can find PCRE sources
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
405 at http://www.pcre.org
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
406
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
407 ** The ARPACK library is no longer distributed with Octave.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
408 If you need the eigs or svds functions you must provide an
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
409 external ARPACK through a package manager or by compiling it
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
410 yourself. If a pre-compiled package does not exist for your system,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
411 you can find the current ARPACK sources at
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
412 http://forge.scilab.org/index.php/p/arpack-ng
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
413
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
414 ** Many of Octave's binary operators (.*, .^, +, -, ...) now perform
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
415 automatic broadcasting for array operations which allows you to use
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
416 operator notation instead of calling bsxfun or expanding arrays (and
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
417 unnecessarily wasting memory) with repmat or similar idioms. For
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
418 example, to scale the columns of a matrix by the elements of a row
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
419 vector, you may now write
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
420
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
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diff changeset
421 rv .* M
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
422
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
423 In this expression, the number of elements of rv must match the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
424 number of columns of M. The following operators are affected:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
425
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
426 plus + .+
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
427 minus - .-
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
428 times .*
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
429 rdivide ./
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
430 ldivide .\
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
431 power .^ .**
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
432 lt <
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
433 le <=
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
434 eq ==
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
435 gt >
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
436 ge >=
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
437 ne != ~=
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
438 and &
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
439 or |
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
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diff changeset
440 atan2
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
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diff changeset
441 hypot
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
442 max
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
443 min
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
444 mod
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
445 rem
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
446 xor
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
447
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
448 additionally, since the A op= B assignment operators are equivalent
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
449 to A = A op B, the following operators are also affected:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
450
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
451 += -= .+= .-= .*= ./= .\= .^= .**= &= |=
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
452
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
453 See the "Broadcasting" section in the new "Vectorization and Faster
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
454 Code Execution" chapter of the manual for more details.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
455
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
456 ** Octave now features a profiler, thanks to the work of Daniel Kraft
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
457 under the Google Summer of Code mentorship program. The manual has
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
458 been updated to reflect this addition. The new user-visible
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
459 functions are profile, profshow, and profexplore.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
460
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
461 ** Overhaul of statistical distribution functions
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
462
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
463 Functions now return "single" outputs for inputs of class "single".
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
464
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
465 75% reduction in memory usage through use of logical indexing.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
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diff changeset
466
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
467 Random sample functions now use the same syntax as rand and accept
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
468 a comma separated list of dimensions or a dimension vector.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
469
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
470 Functions have been made Matlab-compatible with regard to special
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
471 cases (probability on boundaries, probabilities for values outside
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
472 distribution, etc.). This may cause subtle changes to existing
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
473 scripts.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
474
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
475 negative binomial function has been extended to real, non-integer
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
476 inputs. The discrete_inv function now returns v(1) for 0 instead of
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
477 NaN. The nbincdf function has been recoded to use a closed form
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
478 solution with betainc.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
479
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
480 ** strread, textscan, and textread have been completely revamped.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
481
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
482 They now support nearly all Matlab functionality including:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
483
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
484 * Matlab-compatible whitespace and delimiter defaults
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
485
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
486 * Matlab-compatible options: 'whitespace', treatasempty', format
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
487 string repeat count, user-specified comment style, uneven-length
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
488 output arrays, %n and %u conversion specifiers (provisionally)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
489
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
490 ** All .m string functions have been modified for better performance or
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
491 greater Matlab compatibility. Performance gains of 15X-30X have
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
492 been demonstrated. Operations on cell array of strings no longer pay
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
493 quite as high a penalty as those on 2-D character arrays.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
494
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
495 deblank: Now requires character or cellstr input.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
496
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
497 strtrim: Now requires character or cellstr input.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
498 No longer trims nulls ("\0") from string for Matlab
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
499 compatibility.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
500
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
501 strmatch: Follows documentation precisely and ignores trailing spaces
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
502 in pattern and in string. Note that this is documented
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
503 Matlab behavior but the implementation apparently does
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
504 not always follow it.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
505
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
506 substr: Now possible to specify a negative LEN option which
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
507 extracts to within LEN of the end of the string.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
508
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
509 strtok: Now accepts cellstr input.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
510
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
511 base2dec, bin2dec, hex2dec:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
512 Now accept cellstr inputs.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
513
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
514 dec2base, dec2bin, dec2hex:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
515 Now accept cellstr inputs.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
516
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
517 index, rindex:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
518 Now accept 2-D character array input.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
519
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
520 strsplit: Now accepts 2-D character array input.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
521
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
522 ** Geometry functions derived from Qhull (convhull, delaunay, voronoi)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
523 have been revamped. The options passed to the underlying qhull
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
524 command have been changed for better results or for Matlab
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
525 compatibility.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
526
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
527 convhull: Default options are "Qt" for 2D, 3D, 4D inputs
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
528 Default options are "Qt Qx" for 5D and higher
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
529
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
530 delaunay: Default options are "Qt Qbb Qc Qz" for 2D and 3D inputs
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
531 Default options are "Qt Qbb Qc Qx" for 4D and higher
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
532
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
533 voronoi: No default arguments
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
534
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
535 ** Date/Time functions updated. Millisecond support with FFF format
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
536 string now supported.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
537
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
538 datestr: Numerical formats 21, 22, 29 changed to match Matlab.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
539 Now accepts cellstr input.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
540
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
541 ** The following warning IDs have been removed:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
542
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
543 Octave:associativity-change
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
544 Octave:complex-cmp-ops
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
545 Octave:empty-list-elements
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
546 Octave:fortran-indexing
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
547 Octave:precedence-change
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
548
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
549 ** The warning ID Octave:string-concat has been renamed to
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
550 Octave:mixed-string-concat.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
551
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
552 ** Octave now includes the following Matlab-compatible preference
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
553 functions:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
554
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
555 addpref getpref ispref rmpref setpref
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
556
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
557 ** The following Matlab-compatible handle graphics functions have been
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
558 added:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
559
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
560 guidata uipanel uitoolbar
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
561 guihandles uipushtool uiwait
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
562 uicontextmenu uiresume waitfor
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
563 uicontrol uitoggletool
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
564
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
565 The uiXXX functions above are experimental.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
566
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
567 Except for uiwait and uiresume, the uiXXX functions are not
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
568 supported with the FLTK+OpenGL graphics toolkit.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
569
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
570 The gnuplot graphics toolkit does not support any of the uiXXX
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
571 functions nor the waitfor function.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
572
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
573 ** New keyword parfor (parallel for loop) is now recognized as a valid
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
574 keyword. Implementation, however, is still mapped to an ordinary
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
575 for loop.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
576
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
577 ** Other new functions added in 3.6.0:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
578
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
579 bicg nthargout usejava
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
580 is_dq_string narginchk waitbar
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
581 is_sq_string python zscore
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
582 is_function_handle register_graphics_toolkit
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
583 loaded_graphics_toolkits recycle
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
584
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
585 ** Deprecated functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
586
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
587 The following functions were deprecated in Octave 3.2 and have been
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
588 removed from Octave 3.6.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
589
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
590 create_set spcholinv splu
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
591 dmult spcumprod spmax
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
592 iscommand spcumsum spmin
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
593 israwcommand spdet spprod
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
594 lchol spdiag spqr
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
595 loadimage spfind spsum
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
596 mark_as_command sphcat spsumsq
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
597 mark_as_rawcommand spinv spvcat
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
598 spatan2 spkron str2mat
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
599 spchol splchol unmark_command
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
600 spchol2inv split unmark_rawcommand
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
601
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
602 The following functions have been deprecated in Octave 3.6 and will
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
603 be removed from Octave 3.10 (or whatever version is the second major
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
604 release after 3.6):
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
605
18049
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
606 cut polyderiv
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
607 cor shell_cmd
18049
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
608 corrcoef studentize
3fef9a2d2550 maint: Remove functions deprecated in 3.6 for 4.0 release.
Rik <rik@octave.org>
parents: 18048
diff changeset
609 __error_text__ sylvester_matrix
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
610 error_text
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
611
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
612 ** The following functions have been modified for Matlab compatibility:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
613
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
614 randperm
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
615
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
616 Summary of important user-visible changes for version 3.4.3:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
617 -----------------------------------------------------------
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
618
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
619 ** Octave 3.4.3 is a bug fixing release.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
620
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
621 Summary of important user-visible changes for version 3.4.2:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
622 -----------------------------------------------------------
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
623
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
624 ** Octave 3.4.2 fixes some minor installation problems that affected
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
625 version 3.4.1.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
626
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
627 Summary of important user-visible changes for version 3.4.1:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
628 -----------------------------------------------------------
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
629
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
630 ** Octave 3.4.1 is primarily a bug fixing release.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
631
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
632 ** IMPORTANT note about binary incompatibility in this release:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
633
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
634 Binary compatibility for all 3.4.x releases was originally planned,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
635 but this is impossible for the 3.4.1 release due to a bug in the way
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
636 shared libraries were built in Octave 3.4.0. Because of this bug,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
637 .oct files built for Octave 3.4.0 must be recompiled before they
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
638 will work with Octave 3.4.1.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
639
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
640 Given that there would be binary incompatibilities with shared
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
641 libraries going from Octave 3.4.0 to 3.4.1, the following
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
642 incompatible changes were also made in this release:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
643
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
644 * The Perl Compatible Regular Expression (PCRE) library is now
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
645 required to build Octave.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
646
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
647 * Octave's libraries and .oct files are now installed in
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
648 subdirectories of $libdir instead of $libexecdir.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
649
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
650 Any future Octave 3.4.x release versions should remain binary
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
651 compatible with Octave 3.4.1 as proper library versioning is now
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
652 being used as recommended by the libtool manual.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
653
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
654 ** The following functions have been deprecated in Octave 3.4.1 and will
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
655 be removed from Octave 3.8 (or whatever version is the second major
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
656 release after 3.4):
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
657
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
658 cquad is_duplicate_entry perror strerror
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
659
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
660 ** The following functions are new in 3.4.1:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
661
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
662 colstyle gmres iscolumn isrow mgorth nproc rectangle
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
663
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
664 ** The get_forge_pkg function is now private.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
665
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
666 ** The rectangle_lw, rectangle_sw, triangle_lw, and triangle_sw
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
667 functions are now private.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
668
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
669 ** The logistic_regression_derivatives and logistic_regression_likelihood
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
670 functions are now private.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
671
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
672 ** ChangeLog files in the Octave sources are no longer maintained
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
673 by hand. Instead, there is a single ChangeLog file generated from
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
674 the Mercurial version control commit messages. Older ChangeLog
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
675 information can be found in the etc/OLD-ChangeLogs directory in the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
676 source distribution.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
677
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
678 Summary of important user-visible changes for version 3.4:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
679 ---------------------------------------------------------
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
680
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
681 ** BLAS and LAPACK libraries are now required to build Octave. The
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
682 subset of the reference BLAS and LAPACK libraries has been removed
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
683 from the Octave sources.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
684
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
685 ** The ARPACK library is now distributed with Octave so it no longer
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
686 needs to be available as an external dependency when building
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
687 Octave.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
688
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
689 ** The `lookup' function was extended to be more useful for
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
690 general-purpose binary searching. Using this improvement, the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
691 ismember function was rewritten for significantly better
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
692 performance.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
693
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
694 ** Real, integer and logical matrices, when used in indexing, will now
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
695 cache the internal index_vector value (zero-based indices) when
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
696 successfully used as indices, eliminating the conversion penalty for
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
697 subsequent indexing by the same matrix. In particular, this means it
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
698 is no longer needed to avoid repeated indexing by logical arrays
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
699 using find for performance reasons.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
700
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
701 ** Logical matrices are now treated more efficiently when used as
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
702 indices. Octave will keep the index as a logical mask unless the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
703 ratio of true elements is small enough, using a specialized
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
704 code. Previously, all logical matrices were always first converted
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
705 to index vectors. This results in savings in both memory and
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
706 computing time.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
707
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
708 ** The `sub2ind' and `ind2sub' functions were reimplemented as compiled
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
709 functions for better performance. These functions are now faster,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
710 can deliver more economized results for ranges, and can reuse the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
711 index cache mechanism described in previous paragraph.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
712
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
713 ** The built-in function equivalents to associative operators (`plus',
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
714 `times', `mtimes', `and', and `or') have been extended to accept
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
715 multiple arguments. This is especially useful for summing
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
716 (multiplying, etc.) lists of objects (of possibly distinct types):
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
717
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
718 matrix_sum = plus (matrix_list{:});
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
719
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
720 ** An FTP object type based on libcurl has been implemented. These
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
721 objects allow ftp connections, downloads and uploads to be
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
722 managed. For example,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
723
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
724 fp = ftp ("ftp.octave.org);
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
725 cd (fp, "gnu/octave");
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
726 mget (fp, "octave-3.2.3.tar.bz2");
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
727 close (fp);
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
728
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
729 ** The default behavior of `assert (observed, expected)' has been
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
730 relaxed to employ less strict checking that does not require the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
731 internals of the values to match. This avoids previously valid
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
732 tests from breaking due to new internal classes introduced in future
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
733 Octave versions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
734
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
735 For instance, all of these assertions were true in Octave 3.0.x
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
736 but false in 3.2.x due to new optimizations and improvements:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
737
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
738 assert (2*linspace (1, 5, 5), 2*(1:5))
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
739 assert (zeros (0, 0), [])
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
740 assert (2*ones (1, 5), (2) (ones (1,5)))
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
741
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
742 ** The behavior of library functions `ismatrix', `issquare', and
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
743 `issymmetric' has been changed for better consistency.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
744
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
745 * The `ismatrix' function now returns true for all numeric,
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
746 logical and character 2-D or N-D matrices. Previously, `ismatrix'
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
747 returned false if the first or second dimension was zero.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
748 Hence, `ismatrix ([])' was false,
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
749 while `ismatrix (zeros (1,2,0))' was true.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
750
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
751 * The `issquare' function now returns a logical scalar, and is
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
752 equivalent to the expression
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
753
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
754 ismatrix (x) && ndims (x) == 2 && rows (x) == columns (x)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
755
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
756 The dimension is no longer returned. As a result, `issquare ([])'
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
757 now yields true.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
758
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
759 * The `issymmetric' function now checks for symmetry instead of
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
760 Hermitianness. For the latter, ishermitian was created. Also,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
761 logical scalar is returned rather than the dimension, so
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
762 `issymmetric ([])' is now true.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
763
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
764 ** Function handles are now aware of overloaded functions. If a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
765 function is overloaded, the handle determines at the time of its
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
766 reference which function to call. A non-overloaded version does not
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
767 need to exist.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
768
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
769 ** Overloading functions for built-in classes (double, int8, cell,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
770 etc.) is now compatible with Matlab.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
771
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
772 ** Function handles can now be compared with the == and != operators,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
773 as well as the `isequal' function.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
774
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
775 ** Performance of concatenation (using []) and the functions `cat',
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
776 `horzcat', and `vertcat' has been improved for multidimensional
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
777 arrays.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
778
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
779 ** The operation-assignment operators +=, -=, *= and /= now behave more
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
780 efficiently in certain cases. For instance, if M is a matrix and S a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
781 scalar, then the statement
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
782
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
783 M += S;
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
784
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
785 will operate on M's data in-place if it is not shared by another
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
786 variable, usually increasing both time and memory efficiency.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
787
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
788 Only selected common combinations are affected, namely:
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
789
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
790 matrix += matrix
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
791 matrix -= matrix
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
792 matrix .*= matrix
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
793 matrix ./= matrix
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
794
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
795 matrix += scalar
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
796 matrix -= scalar
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
797 matrix *= scalar
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
798 matrix /= scalar
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
799
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
800 logical matrix |= logical matrix
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
801 logical matrix &= logical matrix
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
802
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
803 where matrix and scalar belong to the same class. The left-hand
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
804 side must be a simple variable reference.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
805
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
806 Moreover, when unary operators occur in expressions, Octave will
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
807 also try to do the operation in-place if it's argument is a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
808 temporary expression.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
809
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
810 ** The effect of comparison operators (<, >, <=, and >=) applied to
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
811 complex numbers has changed to be consistent with the strict
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
812 ordering defined by the `max', `min', and `sort' functions. More
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
813 specifically, complex numbers are compared by lexicographical
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
814 comparison of the pairs `[abs(z), arg(z)]'. Previously, only real
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
815 parts were compared; this can be trivially achieved by converting
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
816 the operands to real values with the `real' function.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
817
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
818 ** The automatic simplification of complex computation results has
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
819 changed. Octave will now simplify any complex number with a zero
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
820 imaginary part or any complex matrix with all elements having zero
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
821 imaginary part to a real value. Previously, this was done only for
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
822 positive zeros. Note that the behavior of the complex function is
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
823 unchanged and it still produces a complex value even if the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
824 imaginary part is zero.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
825
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
826 ** As a side effect of code refactoring in liboctave, the binary
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
827 logical operations are now more easily amenable to compiler
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
828 optimizations and are thus significantly faster.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
829
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
830 ** Octave now allows user-defined `subsasgn' methods to optimize out
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
831 redundant copies. For more information, see the manual.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
832
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
833 ** More efficient matrix division handling. Octave is now able to
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
834 handle the expressions
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
835
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
836 M' \ V
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
837 M.' \ V
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
838 V / M
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
839
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
840 (M is a matrix and V is a vector) more efficiently in certain cases.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
841 In particular, if M is triangular, all three expressions will be
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
842 handled by a single call to xTRTRS (from LAPACK), with appropriate
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
843 flags. Previously, all three expressions required a physical
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
844 transpose of M.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
845
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
846 ** More efficient handling of certain mixed real-complex matrix
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
847 operations. For instance, if RM is a real matrix and CM a complex
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
848 matrix,
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
849
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
850 RM * CM
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
851
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
852 can now be evaluated either as
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
853
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
854 complex (RM * real (CM), RM * imag (CM))
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
855
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
856 or as
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
857
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
858 complex (RM) * CM,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
859
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
860 depending on the dimensions. The first form requires more
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
861 temporaries and copying, but halves the FLOP count, which normally
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
862 brings better performance if RM has enough rows. Previously, the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
863 second form was always used.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
864
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
865 Matrix division is similarly affected.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
866
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
867 ** More efficient handling of triangular matrix factors returned from
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
868 factorizations. The functions for computing QR, LU and Cholesky
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
869 factorizations will now automatically return the triangular matrix
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
870 factors with proper internal matrix_type set, so that it won't need
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
871 to be computed when the matrix is used for division.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
872
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
873 ** The built-in `sum' function now handles the non-native summation
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
874 (i.e., double precision sum of single or integer inputs) more
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
875 efficiently, avoiding a temporary conversion of the whole input
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
876 array to doubles. Further, `sum' can now accept an extra option
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
877 argument, using a compensated summation algorithm rather than a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
878 straightforward sum, which significantly improves precision if lots
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
879 of cancellation occurs in the summation.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
880
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
881 ** The built-in `bsxfun' function now uses optimized code for certain
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
882 cases where built-in operator handles are passed in. Namely, the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
883 optimizations concern the operators `plus', `minus', `times',
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
884 `ldivide', `rdivide', `power', `and', `or' (for logical arrays),
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
885 the relational operators `eq', `ne', `lt', `le', `gt', `ge', and the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
886 functions `min' and `max'. Optimizations only apply when both
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
887 operands are of the same built-in class. Mixed real/complex and
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
888 single/double operations will first convert both operands to a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
889 common type.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
890
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
891 ** The `strfind' and `strrep' functions now have compiled
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
892 implementations, facilitating significantly more efficient searching
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
893 and replacing in strings, especially with longer patterns. The code
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
894 of `strcat' has been vectorized and is now much more efficient when
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
895 many strings are concatenated. The `strcmpi' and `strncmpi'
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
896 functions are now built-in functions, providing better performance.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
897
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
898 ** 'str2double' now has a compiled implementation and the API conforms
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
899 to Matlab. The additional Octave-specific features of returning a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
900 boolean matrix indicating which elements were successfully converted
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
901 has been removed.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
902
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
903 ** Matlab-style ignoring input and output function arguments using
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
904 tilde (~) is now supported. Ignored output arguments may be
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
905 detected from a function using the built-in function `isargout'.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
906 For more details, consult the manual.
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
907
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
908 ** The list datatype, deprecated since the introduction of cells, has
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
909 been removed.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
910
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
911 ** The accumarray function has been optimized and is now significantly
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
912 faster in certain important cases.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
913
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
914 ** The behavior of isreal and isnumeric functions was changed to be more
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
915 Matlab-compatible.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
916
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
917 ** The integer math & conversion warnings (Octave:int-convert-nan,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
918 Octave:int-convert-non-int-val, Octave:int-convert-overflow,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
919 Octave:int-math-overflow) have been removed.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
920
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
921 ** rem and mod are now built-in functions. They also handle integer
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
922 types efficiently using integer arithmetic.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
923
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
924 ** Sparse indexing and indexed assignment has been mostly rewritten.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
925 Since Octave uses compressed column storage for sparse matrices,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
926 major attention is devoted to operations manipulating whole columns.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
927 Such operations are now significantly faster, as well as some other
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
928 important cases.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
929
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
930 Further, it is now possible to pre-allocate a sparse matrix and
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
931 subsequently fill it by assignments, provided they meet certain
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
932 conditions. For more information, consult the `spalloc' function,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
933 which is no longer a mere dummy. Consequently, nzmax and nnz are no
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
934 longer always equal in Octave. Octave may also produce a matrix
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
935 with nnz < nzmax as a result of other operations, so you should
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
936 consistently use nnz unless you really want to use nzmax (i.e., the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
937 space allocated for nonzero elements).
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
938
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
939 Sparse concatenation is also affected, and concatenating sparse
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
940 matrices, especially larger collections, is now significantly more
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
941 efficient. This applies to both the [] operator and the
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
942 cat/vertcat/horzcat functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
943
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
944 ** It is now possible to optionally employ the xGESDD LAPACK drivers
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
945 for computing the singular value decomposition using svd, instead
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
946 of the default xGESVD, using the configuration pseudo-variable
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
947 svd_driver. The xGESDD driver can be up to 6x times faster when
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
948 singular vectors are requested, but is reported to be somewhat less
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
949 robust on highly ill-conditioned matrices.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
950
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
951 ** Configuration pseudo-variables, such as page_screen_output or
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
952 confirm_recursive_rmdir (or the above mentioned svd_driver), now
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
953 accept a "local" option as second argument, requesting the change
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
954 to be undone when the current function returns:
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
955
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
956 function [status, msg] = rm_rf (dir)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
957 confirm_recursive_rmdir (false, "local");
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
958 [status, msg] = rmdir (dir, "s");
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
959 ...
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
960 endfunction
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
961
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
962 Upon return, confirm_recursive_rmdir will be restored to the value
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
963 it had on entry to the function, even if there were subsequent
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
964 changes to the variable in function rm_rf or any of the functions
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
965 it calls.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
966
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
967 ** pkg now accepts a -forge option for downloading and installing
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
968 packages from Octave Forge automatically. For example,
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
969
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
970 pkg install -forge general
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
971
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
972 will automatically download the latest release of the general
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
973 package and attempt to install it. No automatic resolving of
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
974 dependencies is provided. Further,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
975
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
976 pkg list -forge
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
977
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
978 can be used to list all available packages.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
979
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
980 ** The internal data representation of structs has been completely
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
981 rewritten to make certain optimizations feasible. The field data
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
982 can now be shared between structs with equal keys but different
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
983 dimensions or values, making operations that preserve the fields
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
984 faster. Economized storage is now used for scalar structs (just
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
985 like most other scalars), making their usage more
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
986 memory-efficient. Certain array-like operations on structs
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
987 (concatenation, uniform cellfun, num2cell) have gained a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
988 significant speed-up. Additionally, the octave_scalar_map class
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
989 now provides a simpler interface to work with scalar structs within
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
990 a C++ DLD function.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
991
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
992 ** Two new formats are available for displaying numbers:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
993
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
994 format short eng
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
995 format long eng
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
996
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
997 Both display numbers in engineering notation, i.e., mantissa +
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
998 exponent where the exponent is a multiple of 3.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
999
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1000 ** The following functions are new in Octave 3.4:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1001 accumdim erfcx nfields pqpnonneg uigetdir
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1002 bitpack fileread nth_element quadcc uigetfile
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1003 bitunpack fminbnd onCleanup randi uiputfile
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1004 blkmm fskipl pbaspect repelems uimenu
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1005 cbrt ifelse pie3 reset whitebg
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1006 curl ishermitian powerset rsf2csf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1007 chop isindex ppder saveas
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1008 daspect luupdate ppint strread
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1009 divergence merge ppjumps textread
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1010
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1011 ** Using the image function to view images with external programs such
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1012 as display, xv, and xloadimage is no longer supported. The
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1013 image_viewer function has also been removed.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1014
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1015 ** The behavior of struct assignments to non-struct values has been
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1016 changed. Previously, it was possible to overwrite an arbitrary
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1017 value:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1018
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1019 a = 1;
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1020 a.x = 2;
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1021
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1022 This is no longer possible unless a is an empty matrix or cell
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1023 array.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1024
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1025 ** The dlmread function has been extended to allow specifying a custom
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1026 value for empty fields.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1027
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1028 ** The dlmread and dlmwrite functions have been modified to accept
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1029 file IDs (as returned by fopen) in addition to file names.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1030
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1031 ** Octave can now optimize away the interpreter overhead of an
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1032 anonymous function handle, if the function simply calls another
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1033 function or handle with some of its parameters bound to certain
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1034 values. Example:
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1035
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1036 f = @(x) sum (x, 1);
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1037
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1038 When f is called, the call is forwarded to @sum with the constant 1
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1039 appended, and the anonymous function call does not occur on the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1040 call stack.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1041
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1042 ** For compatibility with Matlab, mu2lin (x) is now equivalent to
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1043 mu2lin (x, 0).
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1044
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1045 ** The new function `history_control' may be used to control the way
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1046 command lines are added to the history list when Octave is using
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1047 readline for command-line editing. For example
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1049 history_control ("ignoredups")
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1050
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1051 tells Octave to avoid adding duplicate lines to the history list.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1052
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1053 ** Octave now uses the gnulib library for improved portability and to
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1054 avoid bugs in operating system functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1055
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1056 ** Deprecated functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1057
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1058 The following functions were deprecated in Octave 3.0 and have been
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1059 removed from Octave 3.4.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1060
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1061 beta_cdf geometric_pdf pascal_pdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1062 beta_inv geometric_rnd pascal_rnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1063 beta_pdf hypergeometric_cdf poisson_cdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1064 beta_rnd hypergeometric_inv poisson_inv
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1065 binomial_cdf hypergeometric_pdf poisson_pdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1066 binomial_inv hypergeometric_rnd poisson_rnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1067 binomial_pdf intersection polyinteg
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1068 binomial_rnd is_bool setstr
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1069 chisquare_cdf is_complex struct_contains
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1070 chisquare_inv is_list struct_elements
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1071 chisquare_pdf is_matrix t_cdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1072 chisquare_rnd is_scalar t_inv
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1073 clearplot is_square t_pdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1074 clg is_stream t_rnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1075 com2str is_struct uniform_cdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1076 exponential_cdf is_symmetric uniform_inv
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1077 exponential_inv is_vector uniform_pdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1078 exponential_pdf isstr uniform_rnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1079 exponential_rnd lognormal_cdf weibcdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1080 f_cdf lognormal_inv weibinv
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1081 f_inv lognormal_pdf weibpdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1082 f_pdf lognormal_rnd weibrnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1083 f_rnd meshdom weibull_cdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1084 gamma_cdf normal_cdf weibull_inv
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1085 gamma_inv normal_inv weibull_pdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1086 gamma_pdf normal_pdf weibull_rnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1087 gamma_rnd normal_rnd wiener_rnd
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1088 geometric_cdf pascal_cdf
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1089 geometric_inv pascal_inv
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1090
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1091 The following functions were deprecated in Octave 3.2 and will
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1092 be removed from Octave 3.6 (or whatever version is the second major
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1093 release after 3.2):
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1094
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1095 create_set spcholinv splu
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1096 dmult spcumprod spmax
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1097 iscommand spcumsum spmin
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1098 israwcommand spdet spprod
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1099 lchol spdiag spqr
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1100 loadimage spfind spsum
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1101 mark_as_command sphcat spsumsq
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1102 mark_as_rawcommand spinv spvcat
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1103 spatan2 spkron str2mat
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1104 spchol splchol unmark_command
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1105 spchol2inv split unmark_rawcommand
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1106
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1107 The following functions have been deprecated in Octave 3.4 and will
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1108 be removed from Octave 3.8 (or whatever version is the second major
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1109 release after 3.4):
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1110
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1111 autocor cellidx gammai is_global replot values
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1112 autocov dispatch glpkmex krylovb saveimage
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1113 betai fstat intwarning perror strerror
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1114
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1115 Summary of important user-visible changes for version 3.2:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1116 ---------------------------------------------------------
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1117
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1118 ** Compatibility with Matlab graphics has been improved.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1119
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1120 The hggroup object and associated listener callback functions have
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1121 been added allowing the inclusion of group objects. Data sources
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1122 have been added to these group objects such that
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1123
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1124 x = 0:0.1:10;
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1125 y = sin (x);
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1126 plot (x, y, "ydatasource", "y");
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1127 for i = 1 : 100
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1128 pause(0.1)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1129 y = sin (x + 0.1 * i);
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1130 refreshdata ();
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1131 endfor
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1132
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1133 works as expected. This capability has be used to introduce
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1134 stem-series, bar-series, etc., objects for better Matlab
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1135 compatibility.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1136
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1137 ** New graphics functions:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1138
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1139 addlistener ezcontour gcbo refresh
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1140 addproperty ezcontourf ginput refreshdata
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1141 allchild ezmesh gtext specular
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1142 available_graphics_toolkits ezmeshc intwarning surfl
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1143 graphics_toolkit ezplot ishghandle trisurf
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1144 cla ezplot3 isocolors waitforbuttonpress
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1145 clabel ezpolar isonormals
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1146 comet ezsurf isosurface
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1147 dellistener findall linkprop
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1148 diffuse gcbf plotmatrix
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1149
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1150 ** New experimental OpenGL/FLTK based plotting system.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1151
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1152 An experimental plotting system based on OpenGL and the FLTK
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1153 toolkit is now part of Octave. This graphics toolkit is disabled by
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1154 default. You can switch to using it with the command
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1155
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1156 graphics_toolkit ("fltk")
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1157
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1158 for all future figures or for a particular figure with the command
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1159
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1160 graphics_toolkit (h, "fltk")
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1161
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1162 where "h" is a valid figure handle.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1163
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1164 ** Functions providing direct access to gnuplot have been removed.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1165
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1166 The functions __gnuplot_plot__, __gnuplot_set__, __gnuplot_raw__,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1167 __gnuplot_show__, __gnuplot_replot__, __gnuplot_splot__,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1168 __gnuplot_save_data__ and __gnuplot_send_inline_data__ have been
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1169 removed from Octave. These function were incompatible with the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1170 high level graphics handle code.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1171
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1172 ** The Control, Finance and Quaternion functions have been removed.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1173
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1174 These functions are now available as separate packages from
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1175
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1176 http://octave.sourceforge.net/packages.html
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1177
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1178 and can be reinstalled using the Octave package manager (see
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1179 the pkg function).
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1180
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1181 ** Specific sparse matrix functions removed.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1182
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1183 The following functions, which handled only sparse matrices have
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1184 been removed. Instead of calling these functions directly, you
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1185 should use the corresponding function without the "sp" prefix.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1186
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1187 spatan2 spcumsum spkron spprod
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1188 spchol spdet splchol spqr
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1189 spchol2inv spdiag splu spsum
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1190 spcholinv spfind spmax spsumsqk
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1191 spcumprod spinv spmin
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1192
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1193 ** Improvements to the debugger.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1194
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1195 The interactive debugging features have been improved. Stopping
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1196 on statements with dbstop should work correctly now. Stepping
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1197 into and over functions, and stepping one statement at a time
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1198 (with dbstep) now works. Moving up and down the call stack with
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1199 dbup and dbdown now works. The dbstack function is now available
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1200 to print the current function call stack. The new dbquit function
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1201 is available to exit the debugging mode.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1202
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1203 ** Improved traceback error messages.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1204
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1205 Traceback error messages are much more concise and easier to
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1206 understand. They now display information about the function call
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1207 stack instead of the stack of all statements that were active at
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1208 the point of the error.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1209
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1210 ** Object Oriented Programming.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1211
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1212 Octave now includes OOP features and the user can create their own
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1213 class objects and overloaded functions and operators. For
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1214 example, all methods of a class called "myclass" will be found in
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1215 a directory "@myclass" on the users path. The class specific
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1216 versions of functions and operators take precedence over the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1217 generic versions of these functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1218
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1219 New functions related to OOP include
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1220
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1221 class inferiorto isobject loadobj methods superiorto
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1222
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1223 See the Octave manual for more details.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1224
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1225 ** Parsing of Command-style Functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1226
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1227 Octave now parses command-style functions without needing to first
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1228 declare them with "mark_as_command". The rules for recognizing a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1229 command-style function calls are
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1230
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1231 * A command must appear as the first word in a statement,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1232 followed by a space.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1233
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1234 * The first character after the space must not be '=' or '('
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1235
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1236 * The next token after the space must not look like a binary
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1237 operator.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1238
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1239 These rules should be mostly compatible with the way Matlab parses
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1240 command-style function calls and allow users to define commands in
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1241 .m files without having to mark them as commands.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1242
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1243 Note that previous versions of Octave allowed expressions like
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1244
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1245 x = load -text foo.dat
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1246
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1247 but an expression like this will now generate a parse error. In
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1248 order to assign the value returned by a function to a variable,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1249 you must use the normal function call syntax:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1250
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1251 x = load ("-text", "foo.dat");
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1252
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1253 ** Block comments.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1254
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1255 Commented code can be between matching "#{" and "#}" or "%{" and
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1256 "%}" markers, even if the commented code spans several line. This
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1257 allows blocks code to be commented, without needing to comment
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1258 each line. For example,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1259
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1260 function [s, t] = func (x, y)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1261 s = 2 * x;
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1262 #{
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1263 s *= y;
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1264 t = y + x;
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1265 #}
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1266 endfunction
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1267
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1268 the lines "s *= y;" and "t = y + x" will not be executed.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1269
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1270 ** If any subfunction in a file ends with "end" or "endfunction", then
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1271 they all must end that way. Previously, Octave accepted
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1272
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1273 function main ()
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1274 ...
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1275 # no endfunction here.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1276 function sub ()
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1277 ...
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1278 endfunction
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1279
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1280 but this is no longer allowed.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1281
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1282 ** Special treatment in the parser of expressions like "a' * b".
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1283
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1284 In these cases the transpose is no longer explicitly formed and
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1285 BLAS libraries are called with the transpose flagged,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1286 significantly improving performance for these kinds of
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1287 operations.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1288
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1289 ** Single Precision data type.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1290
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1291 Octave now includes a single precision data type. Single
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1292 precision variables can be created with the "single" command, or
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1293 from functions like ones, eye, etc. For example,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1294
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1295 single (1)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1296 ones (2, 2, "single")
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1297 zeros (2, 2, "single")
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1298 eye (2, 2, "single")
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1299 Inf (2, 2, "single")
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1300 NaN (2, 2, "single")
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1301 NA (2, 2, "single")
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1302
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1303 all create single precision variables. For compatibility with
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1304 Matlab, mixed double/single precision operators and functions
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1305 return single precision types.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1306
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1307 As a consequence of this addition to Octave the internal
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1308 representation of the double precision NA value has changed, and
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1309 so users that make use of data generated by Octave with R or
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1310 visa-versa are warned that compatibility might not be assured.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1311
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1312 ** Improved array indexing.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1313
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1314 The underlying code used for indexing of arrays has been
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1315 completely rewritten and indexing is now significantly faster.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1316
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1317 ** Improved memory management.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1318
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1319 Octave will now attempt to share data in some cases where previously
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1320 a copy would be made, such as certain array slicing operations or
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1321 conversions between cells, structs and cs-lists. This usually reduces
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1322 both time and memory consumption.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1323 Also, Octave will now attempt to detect and optimize usage of a vector
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1324 as a stack, when elements are being repeatedly inserted at/removed from
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1325 the end of the vector.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1326
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1327 ** Improved performance for reduction operations.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1328
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1329 The performance of the sum, prod, sumsq, cumsum, cumprod, any, all,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1330 max and min functions has been significantly improved.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1331
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1332 ** Sorting and searching.
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1333
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1334 The performance of sort has been improved, especially when sorting
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1335 indices are requested. An efficient built-in issorted
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1336 implementation was added. The sortrows function now uses a more
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1337 efficient algorithm, especially in the homogeneous case. The lookup
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1338 function is now a built-in function performing a binary search,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1339 optimized for long runs of close elements. Lookup also works with
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1340 cell arrays of strings.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1341
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1342 ** Range arithmetics
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1343
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1344 For some operations on ranges, Octave will attempt to keep the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1345 result as a range. These include negation, adding a scalar,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1346 subtracting a scalar, and multiplying by a scalar. Ranges with zero
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1347 increment are allowed and can be constructed using the built-in
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1348 function `ones'.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1349
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1350 ** Various performance improvements.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1351
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1352 Performance of a number of other built-in operations and functions
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1353 was improved, including:
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1354
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1355 * logical operations
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1356 * comparison operators
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1357 * element-wise power
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1358 * accumarray
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1359 * cellfun
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1360 * isnan
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1361 * isinf
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1362 * isfinite
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1363 * nchoosek
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1364 * repmat
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1365 * strcmp
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1366
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1367 ** 64-bit integer arithmetic.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1368
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1369 Arithmetic with 64-bit integers (int64 and uint64 types) is fully
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1370 supported, with saturation semantics like the other integer types.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1371 Performance of most integer arithmetic operations has been
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1372 improved by using integer arithmetic directly. Previously, Octave
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1373 performed integer math with saturation semantics by converting the
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1374 operands to double precision, performing the operation, and then
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1375 converting the result back to an integer value, truncating if
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1376 necessary.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1377
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1378 ** Diagonal and permutation matrices.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1379
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1380 The interpreter can now treat diagonal and permutation matrices as
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1381 special objects that store only the non-zero elements, rather than
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1382 general full matrices. Therefore, it is now possible to construct
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1383 and use these matrices in linear algebra without suffering a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1384 performance penalty due to storing large numbers of zero elements.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1385
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1386 ** Improvements to fsolve.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1387
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1388 The fsolve function now accepts an option structure argument (see
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1389 also the optimset function). The INFO values returned from fsolve
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1390 have changed to be compatible with Matlab's fsolve function.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1391 Additionally, fsolve is now able to solve overdetermined systems,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1392 complex-differentiable complex systems, systems with a sparse
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1393 jacobian and can work in single precision if given single precision
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1394 inputs. It can also be called recursively.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1395
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1396 ** Improvements to the norm function.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1397
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1398 The norm function is now able to compute row or column norms of a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1399 matrix in a single call, as well as general matrix p-norms.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1400
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1401 ** New functions for computing some eigenvalues or singular values.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1402
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1403 The eigs and svds functions have been included in Octave. These
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1404 functions require the ARPACK library (now distributed under a
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1405 GPL-compatible license).
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1406
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1407 ** New QR and Cholesky factorization updating functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1408
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1409 choldelete cholshift qrdelete qrshift
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1410 cholinsert cholupdate qrinsert qrupdate
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1411
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1412 ** New quadrature functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1413
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1414 dblquad quadgk quadv triplequad
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1415
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1416 ** New functions for reading and writing images.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1417
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1418 The imwrite and imread functions have been included in Octave.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1419 These functions require the GraphicsMagick library. The new
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1420 function imfinfo provides information about an image file (size,
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1421 type, colors, etc.)
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1422
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1423 ** The input_event_hook function has been replaced by the pair of
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1424 functions add_input_event_hook and remove_input_event_hook so that
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1425 more than one hook function may be installed at a time.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1426
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1427 ** Other miscellaneous new functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1428
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1429 addtodate hypot reallog
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1430 bicgstab idivide realpow
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1431 cellslices info realsqrt
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1432 cgs interp1q rectint
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1433 command_line_path isdebugmode regexptranslate
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1434 contrast isfloat restoredefaultpath
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1435 convn isstrprop roundb
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1436 cummin log1p rundemos
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1437 cummax lsqnonneg runlength
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1438 datetick matlabroot saveobj
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1439 display namelengthmax spaugment
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1440 expm1 nargoutchk strchr
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1441 filemarker pathdef strvcat
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1442 fstat perl subspace
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1443 full prctile symvar
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1444 fzero quantile treelayout
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1445 genvarname re_read_readline_init_file validatestring
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1446 histc
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1447
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1448 ** Changes to strcat.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1449
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1450 The strcat function is now compatible with Matlab's strcat
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1451 function, which removes trailing whitespace when concatenating
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1452 character strings. For example
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1453
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1454 strcat ('foo ', 'bar')
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1455 ==> 'foobar'
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1456
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1457 The new function cstrcat provides the previous behavior of
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1458 Octave's strcat.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1459
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1460 ** Improvements to the help functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1461
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1462 The help system has been mostly re-implemented in .m files to make
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1463 it easier to modify. Performance of the lookfor function has been
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1464 greatly improved by caching the help text from all functions that
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1465 are distributed with Octave. The pkg function has been modified
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1466 to generate cache files for external packages when they are
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1467 installed.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1468
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1469 ** Deprecated functions.
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1470
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1471 The following functions were deprecated in Octave 3.0 and will be
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1472 removed from Octave 3.4 (or whatever version is the second major
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1473 release after 3.0):
19792
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1474
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1475 beta_cdf geometric_pdf pascal_pdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1476 beta_inv geometric_rnd pascal_rnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1477 beta_pdf hypergeometric_cdf poisson_cdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1478 beta_rnd hypergeometric_inv poisson_inv
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1479 binomial_cdf hypergeometric_pdf poisson_pdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1480 binomial_inv hypergeometric_rnd poisson_rnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1481 binomial_pdf intersection polyinteg
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1482 binomial_rnd is_bool setstr
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1483 chisquare_cdf is_complex struct_contains
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1484 chisquare_inv is_list struct_elements
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1485 chisquare_pdf is_matrix t_cdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1486 chisquare_rnd is_scalar t_inv
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1487 clearplot is_square t_pdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1488 clg is_stream t_rnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1489 com2str is_struct uniform_cdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1490 exponential_cdf is_symmetric uniform_inv
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1491 exponential_inv is_vector uniform_pdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1492 exponential_pdf isstr uniform_rnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1493 exponential_rnd lognormal_cdf weibcdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1494 f_cdf lognormal_inv weibinv
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1495 f_inv lognormal_pdf weibpdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1496 f_pdf lognormal_rnd weibrnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1497 f_rnd meshdom weibull_cdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1498 gamma_cdf normal_cdf weibull_inv
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1499 gamma_inv normal_inv weibull_pdf
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1500 gamma_pdf normal_pdf weibull_rnd
be7ac98fab43 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19791
diff changeset
1501 gamma_rnd normal_rnd wiener_rnd
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1502 geometric_cdf pascal_cdf
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1503 geometric_inv pascal_inv
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1504
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1505 The following functions are now deprecated in Octave 3.2 and will
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1506 be removed from Octave 3.6 (or whatever version is the second major
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1507 release after 3.2):
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1508
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1509 create_set spcholinv spmax
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1510 dmult spcumprod spmin
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1511 iscommand spcumsum spprod
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1512 israwcommand spdet spqr
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1513 lchol spdiag spsum
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1514 loadimage spfind spsumsq
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1515 mark_as_command spinv str2mat
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1516 mark_as_rawcommand spkron unmark_command
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1517 spatan2 splchol unmark_rawcommand
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1518 spchol split
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1519 spchol2inv splu
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1520
5913
e915287e3ef9 [project @ 2006-07-28 17:06:14 by jwe]
jwe
parents: 5814
diff changeset
1521 Summary of important user-visible changes for version 3.0:
e915287e3ef9 [project @ 2006-07-28 17:06:14 by jwe]
jwe
parents: 5814
diff changeset
1522 ---------------------------------------------------------
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1523
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1524 ** Compatibility with Matlab graphics is much better now. We now
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1525 have some graphics features that work like Matlab's Handle
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1526 Graphics (tm):
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1527
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1528 + You can make a subplot and then use the print function to
7038
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1529 generate a file with the plot.
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1530
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1531 + RGB line colors are supported if you use gnuplot 4.2. Octave
6426
182c4b62775d [project @ 2007-03-21 17:42:18 by jwe]
jwe
parents: 6329
diff changeset
1532 can still use gnuplot 4.0, but there is no way to set arbitrary
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1533 line colors with it when using the Matlab-style plot functions.
6426
182c4b62775d [project @ 2007-03-21 17:42:18 by jwe]
jwe
parents: 6329
diff changeset
1534 There never was any way to do this reliably with older versions
182c4b62775d [project @ 2007-03-21 17:42:18 by jwe]
jwe
parents: 6329
diff changeset
1535 of gnuplot (whether run from Octave or not) since it only
182c4b62775d [project @ 2007-03-21 17:42:18 by jwe]
jwe
parents: 6329
diff changeset
1536 provided a limited set to choose from, and they were terminal
182c4b62775d [project @ 2007-03-21 17:42:18 by jwe]
jwe
parents: 6329
diff changeset
1537 dependent, so choosing color 1 with the X11 terminal would be
6465
5fb50197b69a [project @ 2007-03-27 14:29:46 by jwe]
jwe
parents: 6426
diff changeset
1538 different from color 1 with the PostScript terminal. Valid RGB
5fb50197b69a [project @ 2007-03-27 14:29:46 by jwe]
jwe
parents: 6426
diff changeset
1539 colors for gnuplot 4.0 are the eight possible combinations of 0
5fb50197b69a [project @ 2007-03-27 14:29:46 by jwe]
jwe
parents: 6426
diff changeset
1540 and 1 for the R, G and B values. Invalid values are all mapped
5fb50197b69a [project @ 2007-03-27 14:29:46 by jwe]
jwe
parents: 6426
diff changeset
1541 to the same color.
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1542
7189
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1543 This also affects patch objects used in the bar, countour, meshc
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1544 and surfc functions, where the bars and contours will be
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1545 monochrome. A workaround for this is to type "colormap gmap40"
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1546 that loads a colormap that in many cases will be adequate for
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1547 simple bar and contour plots.
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1548
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1549 + You can control the width of lines using (for example):
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1550
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1551 line (x, y, "linewidth", 4, "color", [1, 0, 0.5]);
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1552
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1553 (this also shows the color feature).
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1554
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1555 + With gnuplot 4.2, image data is plotted with gnuplot and may be
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1556 combined with other 2-d plot data.
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1557
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1558 + Lines for contour plots are generated with an Octave function, so
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1559 contour plots are now 2-d plots instead of special 3-d plots, and
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1560 this allows you to plot additional 2-d data on top of a contour
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1561 plot.
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1562
7189
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1563 + With the gnuplot "extended" terminals the TeX interpreter is
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1564 emulated. However, this means that the TeX interpreter is only
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1565 supported on the postscript terminals with gnuplot 4.0. Under
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1566 gnuplot 4.2 the terminals aqua, dumb, png, jpeg, gif, pm, windows,
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1567 wxt, svg and x11 are supported as well.
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7038
diff changeset
1568
7038
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1569 + The following plot commands are now considered obsolete and will
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1570 be removed from a future version of Octave:
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1571
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1572 __gnuplot_set__
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1573 __gnuplot_show__
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1574 __gnuplot_plot__
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1575 __gnuplot_splot__
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1576 __gnuplot_replot__
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1577
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1578 Additionally, these functions no longer have any effect on plots
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1579 created with the Matlab-style plot commands (plot, line, mesh,
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1580 semilogx, etc.).
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1581
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1582 + Plot property values are not extensively checked. Specifying
12702
013cd94d8d7f doc: Spelling fixes for various documentation files
John Bradshaw <john@johnbradshaw.org>
parents: 7990
diff changeset
1583 invalid property values may produce unpredictable results.
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1584
6835
293913e2b15b [project @ 2007-08-27 19:27:39 by jwe]
jwe
parents: 6834
diff changeset
1585 + Octave now sends data over the same pipe that is used to send
6834
443ee3239abd [project @ 2007-08-27 18:43:18 by jwe]
jwe
parents: 6777
diff changeset
1586 commands to gnuplot. While this avoids the problem of
443ee3239abd [project @ 2007-08-27 18:43:18 by jwe]
jwe
parents: 6777
diff changeset
1587 cluttering /tmp with data files, it is no longer possible to use
443ee3239abd [project @ 2007-08-27 18:43:18 by jwe]
jwe
parents: 6777
diff changeset
1588 the mouse to zoom in on plots. This is a limitation of gnuplot,
443ee3239abd [project @ 2007-08-27 18:43:18 by jwe]
jwe
parents: 6777
diff changeset
1589 which is unable to zoom when the data it plots is not stored in
7038
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1590 a file. Some work has been done to fix this problem in newer
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1591 versions of gnuplot (> 4.2.2). See for example, this thread
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1592
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1593 http://www.nabble.com/zooming-of-inline-data-tf4357017.html#a12416496
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1594
4482ba9814b7 [project @ 2007-10-19 16:05:48 by jwe]
jwe
parents: 6835
diff changeset
1595 on the gnuplot development list.
6329
1d4b4312f782 [project @ 2007-02-20 06:37:09 by jwe]
jwe
parents: 5995
diff changeset
1596
7279
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1597
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1598 ** The way Octave handles search paths has changed. Instead of
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1599 setting the built-in variable LOADPATH, you must use addpath,
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1600 rmpath, or path to manipulate the function search path. These
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1601 functions will maintain "." at the head of the path, for
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1602 compatibility with Matlab.
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1603
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1604 Leading, trailing or doubled colons are no longer special.
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1605 Now, all elements of the search path are explicitly included in
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1606 the path when Octave starts. To display the path, use the path
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1607 function.
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1608
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1609 Path elements that end in // are no longer searched recursively.
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1610 Instead, you may use addpath and the genpath function to add an
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1611 entire directory tree to the path. For example,
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1612
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1613 addpath (genpath ("~/octave"));
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1614
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1615 will add ~/octave and all directories below it to the head of the
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1616 path.
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1617
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1618
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1619 ** Previous versions of Octave had a number of built-in variables to
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1620 control warnings (for example, warn_divide_by_zero). These
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1621 variables have been replaced by warning identifiers that are used
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1622 with the warning function to control the state of warnings.
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1623
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1624 For example, instead of writing
2511
9b0dd36714eb [project @ 1996-11-14 02:57:33 by jwe]
jwe
parents: 2496
diff changeset
1625
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1626 warn_divide_by_zero = false;
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1627
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1628 to disable divide-by-zero warnings, you should write
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1629
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1630 warning ("off", "Octave:divide-by-zero");
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1631
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1632 You may use the same technique in your own code to control
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1633 warnings. For example, you can use
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1634
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1635 warning ("My-package:phase-of-the-moon",
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1636 "the phase of the moon could cause trouble today");
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1637
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1638 to allow users to control this warning using the
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1639 "My-package:phase-of-the-moon" warning identifier.
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1640
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1641 You may also enable or disable all warnings, or turn them into
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1642 errors:
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1643
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1644 warning ("on", "all");
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1645 warning ("off", "all");
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1646 warning ("error", "Octave:divide-by-zero");
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1647 warning ("error", "all");
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1648
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1649 You can query the state of current warnings using
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1650
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1651 warning ("query", ID)
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1652 warning ("query")
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1653
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1654 (only those warning IDs which have been explicitly set are
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1655 returned).
2459
0a2cd53db5f9 [project @ 1996-11-03 03:36:01 by jwe]
jwe
parents: 2458
diff changeset
1656
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1657 A partial list and description of warning identifiers is available
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1658 using
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1659
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1660 help warning_ids
2452
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1661
a28ed603c65c [project @ 1996-10-31 19:49:29 by jwe]
jwe
parents:
diff changeset
1662
5814
67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe]
jwe
parents: 5798
diff changeset
1663 ** All built-in variables have been converted to functions. This
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1664 change simplifies the interpreter and allows a consistent
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1665 interface to internal variables for user-defined packages and the
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1666 core functions distributed with Octave. In most cases, code that
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1667 simply accesses internal variables does not need to change. Code
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1668 that sets internal variables will change. For example, instead of
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1669 writing
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1670
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1671 PS1 = ">> ";
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1672
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1673 you will need to write
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1674
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1675 PS1 (">> ");
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1676
5798
7e7ed81f5566 [project @ 2006-05-09 17:24:33 by jwe]
jwe
parents: 5794
diff changeset
1677 If you need write code that will run in both old and new versions
7e7ed81f5566 [project @ 2006-05-09 17:24:33 by jwe]
jwe
parents: 5794
diff changeset
1678 of Octave, you can use something like
7e7ed81f5566 [project @ 2006-05-09 17:24:33 by jwe]
jwe
parents: 5794
diff changeset
1679
7e7ed81f5566 [project @ 2006-05-09 17:24:33 by jwe]
jwe
parents: 5794
diff changeset
1680 if (exist ("OCTAVE_VERSION") == 5)
7e7ed81f5566 [project @ 2006-05-09 17:24:33 by jwe]
jwe
parents: 5794
diff changeset
1681 ## New:
7e7ed81f5566 [project @ 2006-05-09 17:24:33 by jwe]
jwe
parents: 5794
diff changeset
1682 PS1 (">> ");
7e7ed81f5566 [project @ 2006-05-09 17:24:33 by jwe]
jwe
parents: 5794
diff changeset
1683 else
7e7ed81f5566 [project @ 2006-05-09 17:24:33 by jwe]
jwe
parents: 5794
diff changeset
1684 ## Old:
7e7ed81f5566 [project @ 2006-05-09 17:24:33 by jwe]
jwe
parents: 5794
diff changeset
1685 PS1 = ">> ";
7e7ed81f5566 [project @ 2006-05-09 17:24:33 by jwe]
jwe
parents: 5794
diff changeset
1686 endif
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1687
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5781
diff changeset
1688
5995
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1689 ** For compatibility with Matlab, the output order of Octave's
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1690 "system" function has changed from
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1691
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1692 [output, status] = system (cmd);
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1693
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1694 to
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1695
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1696 [status, output] = system (cmd);
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1697
7279
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1698
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1699 ** For compatibility with Matlab, the output of Octave's fsolve
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1700 function has been changed from
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1701
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1702 [x, info, msg] = fsolve (...);
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1703
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1704 to
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1705
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1706 [x, fval, info] = fsolve (...);
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1707
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1708
6617
55da54f6c5c2 [project @ 2007-05-14 16:17:46 by jwe]
jwe
parents: 6609
diff changeset
1709 ** For compatibility with Matlab, normcdf, norminv, normpdf, and
55da54f6c5c2 [project @ 2007-05-14 16:17:46 by jwe]
jwe
parents: 6609
diff changeset
1710 normrnd have been modified to compute distributions using the
55da54f6c5c2 [project @ 2007-05-14 16:17:46 by jwe]
jwe
parents: 6609
diff changeset
1711 standard deviation instead of the variance.
5995
9223672bd578 [project @ 2006-09-21 20:09:44 by jwe]
jwe
parents: 5913
diff changeset
1712
7279
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1713
6777
4775fc1aa728 [project @ 2007-07-18 16:32:51 by dbateman]
dbateman
parents: 6617
diff changeset
1714 ** For compatibility with Matlab, gamcdf, gaminv, gampdf, gamrnd,
19790
446c46af4b42 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 12733
diff changeset
1715 expcdf, expinv, exppdf and exprnd have been modified to compute
6777
4775fc1aa728 [project @ 2007-07-18 16:32:51 by dbateman]
dbateman
parents: 6617
diff changeset
1716 the distributions using the standard scale factor rather than
4775fc1aa728 [project @ 2007-07-18 16:32:51 by dbateman]
dbateman
parents: 6617
diff changeset
1717 one over the scale factor.
4775fc1aa728 [project @ 2007-07-18 16:32:51 by dbateman]
dbateman
parents: 6617
diff changeset
1718
18048
46c131e5676e NEWS: Save old NEWS in NEWS.3. New NEWS file for 4.0 release.
Rik <rik@octave.org>
parents: 12733
diff changeset
1719 ---------------------------------------------------------
7279
72b5e1701da2 [project @ 2007-12-10 21:01:48 by jwe]
jwe
parents: 7189
diff changeset
1720
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 3482
diff changeset
1721 See NEWS.2 for old news.