Mercurial > hg > octave-nkf
annotate NEWS @ 17698:9bb5d3f63cdd
NEWS: Announce change in definition of kurtosis function for Matlab compatibility.
* NEWS: Announce that kurtosis no longer calculates "excess kurtosis".
* scripts/statistics/base/kurtosis.m: Tweak docstring.
| author | Rik <rik@octave.org> |
|---|---|
| date | Sat, 19 Oct 2013 07:33:59 -0700 |
| parents | 1efe4c65c5cf |
| children | 031eaa90064e |
| rev | line source |
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* NEWS: Surround contents with <pre></pre>
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1 <pre> |
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2 Summary of important user-visible changes for version 4.0: |
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3 --------------------------------------------------------- |
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4 |
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5 ** A new GUI is now available with Octave. |
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6 |
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7 ** Warning states may now be set temporarily, until the end of the |
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8 current function, using the syntax |
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9 |
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10 warning STATE ID "local" |
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11 |
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12 in which STATE may be "on", "off", or "error". Changes to warning |
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13 states that are set locally affect the current function and all |
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14 functions called from the current scope. The previous warning state |
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15 is restored on return from the current function. The "local" |
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16 option is ignored if used in the top-level workspace. |
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17 |
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18 Summary of important user-visible changes for version 3.8: |
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19 --------------------------------------------------------- |
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20 |
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21 ** Octave now uses OpenGL graphics by default with FLTK widgets. If |
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22 OpenGL libraries or FLTK widgets are not available when Octave is |
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23 built, gnuplot is used. You may also choose to use gnuplot for |
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24 graphics by executing the command |
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25 |
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26 graphics_toolkit ("gnuplot") |
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27 |
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28 Adding this command to your ~/.octaverc file will set the default |
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29 for each session. |
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30 |
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31 ** Octave now supports nested functions with scoping rules that are |
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32 compatible with Matlab. A nested function is one declared and defined |
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33 within the body of another function. The nested function is only |
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34 accessible from within the enclosing function which makes it one |
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35 method for making private functions whose names do not conflict with those |
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36 in the global namespace (See also subfunctions and private functions). |
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37 In addition, variables in the enclosing function are visible within the |
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38 nested function. This makes it possible to have a pseudo-global variable |
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39 which can be seen by a group of functions, but which is not visible in |
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40 the global namespace. |
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41 |
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42 Example: |
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43 function outerfunc (...) |
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44 ... |
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45 function nested1 (...) |
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46 ... |
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47 function nested2 (...) |
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48 ... |
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49 endfunction |
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50 endfunction |
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51 |
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52 function nested3 (...) |
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53 ... |
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54 endfunction |
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55 endfunction |
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56 |
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57 ** Line continuations inside character strings have changed. |
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58 |
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59 The sequence '...' is no longer recognized as a line continuation |
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60 inside a character string. A backslash '\' followed by a newline |
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61 character is no longer recognized as a line continuation inside |
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62 single-quoted character strings. Inside double-quoted character |
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63 strings, a backslash followed by a newline character is still |
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64 recognized as a line continuation, but the backslash character must |
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65 be followed *immediately* by the newline character. No whitespace or |
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66 end-of-line comment may appear between them. |
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67 |
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68 ** Backslash as a continuation marker outside of double-quoted strings |
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69 is now deprecated. |
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70 |
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71 Using '\' as a continuation marker outside of double quoted strings |
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72 is now deprecated and will be removed from a future version of |
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73 Octave. When that is done, the behavior of |
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74 |
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75 (a \ |
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76 b) |
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77 |
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78 will be consistent with other binary operators. |
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79 |
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80 ** Redundant terminal comma accepted by parser |
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81 |
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82 A redundant terminal comma is now accepted in matrix |
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83 definitions which allows writing code such as |
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84 |
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85 [a,... |
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86 b,... |
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87 c,... |
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88 ] = deal (1,2,3) |
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89 |
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90 ** Octave now has limited support for named exceptions |
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91 |
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92 The following syntax is now accepted: |
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93 |
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94 try |
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95 statements |
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96 catch exception-id |
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97 statements |
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98 end |
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99 |
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100 The exception-id is a structure with the fields "message" and |
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101 "identifier". For example |
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102 |
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103 try |
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104 error ("Octave:error-id", "error message"); |
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105 catch myerr |
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106 printf ("identifier: %s\n", myerr.identifier); |
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107 printf ("message: %s\n", myerr.message); |
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108 end_try_catch |
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109 |
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110 When classdef-style classes are added to Octave, the exception-id |
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111 will become an MException object. |
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112 |
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113 ** Warning IDs renamed: |
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114 |
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115 Octave:array-as-scalar => Octave:array-to-scalar |
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116 Octave:array-as-vector => Octave:array-to-vector |
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117 |
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118 ** 'emptymatch', 'noemptymatch' options added to regular expressions. |
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119 |
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120 With this addition Octave now accepts the entire set of Matlab options |
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121 for regular expressions. 'noemptymatch' is the default, but 'emptymatch' |
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122 has certain uses where you need to match an assertion rather than actual |
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123 characters. For example, |
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124 |
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125 regexprep ('World', '^', 'Hello ', 'emptymatch') |
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126 => Hello World |
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127 |
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128 where the pattern is actually the assertion '^' or start-of-line. |
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129 |
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130 ** For compatibility with Matlab, the regexp, regexpi, and regexprep |
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131 functions now process backslash escape sequences in single-quoted pattern |
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132 strings. In addition, the regexprep function now processes backslash |
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133 escapes in single-quoted replacement strings. For example, |
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134 |
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135 regexprep (str, '\t', '\n') |
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136 |
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137 would search the variable str for a TAB character (escape sequence \t) |
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138 and replace it with a NEWLINE (escape sequence \n). Previously the |
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139 expression would have searched for a literal '\' followed by 't' and |
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140 replaced the two characters with the sequence '\', 'n'. |
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141 |
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142 ** A TeX parser has been implemented for the FLTK toolkit and is the default |
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143 for any text object including titles and axis labels. The TeX parser is |
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144 supported only for display on a monitor, not for printing. |
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145 |
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146 A quick summary of features: |
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147 |
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148 Code Feature Example Comment |
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149 ----------------------------------------------------------------- |
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150 _ subscript H_2O formula for water |
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151 ^ exponent y=x^2 formula for parabola |
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152 \char symbol \beta Greek symbol beta |
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153 \fontname font \fontname{Arial} set Arial font |
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154 \fontsize fontsize \fontsize{16} set fontsize 16 |
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155 \color[rgb] fontcolor \color[rgb]{1 0 1} set magenta color |
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156 \bf bold \bfBold Text bold font |
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157 \it italic \itItalic Text italic font |
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158 \sl slanted \slOblique Text slanted font |
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159 \rm normal \bfBold\rmNormal normal font |
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160 {} group {\bf Bold}Normal group objects |
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161 e^{i*\pi} = -1 complex example |
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162 |
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163 ** The m-files in the plot directory have been overhauled. |
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164 |
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165 The plot functions now produce output that is nearly visually compatible |
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166 with Matlab. Plot performance has also increased, dramatically for some |
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167 functions such as comet and waitbar. Finally, the documentation for most |
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168 functions has been updated so it should be clearer both how to use a |
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169 function and when a function is appropriate. |
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170 |
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171 ** The m-files in the image directory have been overhauled. |
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172 |
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173 The principal benefit is that Octave will now no longer automatically |
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174 convert images stored with integers to doubles. Storing images as uint8 |
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175 or uint16 requires only 1/8 or 1/4 the memory of an image stored using |
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176 doubles. For certain operations, such as fft2, the image must still be |
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177 converted to double in order to work. |
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178 |
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179 Other changes include fixes to the way indexed images are read from a |
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180 colormap depending on the image class (integer images have a -1 offset to |
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181 the colormap row number). |
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182 |
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183 ** The imread and imwrite functions have been completely rewritten. |
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184 |
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185 The main changes relate to the alpha channel, support for reading and |
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186 writing of floating point images, implemented writing of indexed images, |
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187 and appending images to multipage image files. |
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188 |
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189 The issues that may arise due to backwards incompatibility are: |
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190 |
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191 * imwrite no longer interprets a length of 2 or 4 in the third dimension |
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192 as grayscale or RGB with alpha channel (a length of 4 will be saved |
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193 as a CMYK image). Alpha channel must be passed as separate argument. |
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194 |
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195 * imread will always return the colormap indexes when reading an indexed |
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196 image, even if the colormap is not requested as output. |
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197 |
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198 * transparency values are now inverted from previous Octave versions |
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199 (0 is for completely transparent instead of completely opaque). |
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200 |
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201 In addition, the function imformats has been implemented to expand |
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202 reading and writing of images of different formats through imread |
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203 and imwrite. |
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204 |
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205 ** The colormap function now provides new options--"list", "register", |
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206 and "unregister"--to list all available colormap functions, and to |
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207 add or remove a function name from the list of known colormap |
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208 functions. Packages that implement extra colormaps should use these |
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209 commands with PKG_ADD and PKG_DEL statements. |
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210 |
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211 ** strsplit has been modified to be compatible with Matlab. There |
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212 are two instances where backward compatibility is broken. |
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213 |
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214 (1) Delimiters are now string vectors, not scalars. |
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215 |
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216 Octave's legacy behavior |
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217 |
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218 strsplit ("1 2, 3", ", ") |
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219 ans = |
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220 { |
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221 [1,1] = 1 |
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222 [1,2] = 2 |
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223 [1,3] = |
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224 [1,4] = 3 |
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225 } |
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226 |
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227 Matlab compatible behavior |
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228 |
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229 strsplit ("1 2, 3", ", ") |
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230 ans = |
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231 { |
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232 [1,1] = 1 2 |
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233 [1,2] = 3 |
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234 } |
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235 |
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236 (2) By default, Matlab treats consecutive delimiters as a single |
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237 delimiter. By default, Octave's legacy behavior was to return an |
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238 empty string for the part between the delmiters. |
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239 |
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240 Where legacy behavior is desired, the call to strsplit() may be |
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241 replaced by ostrsplit(), which is Octave's original implementation of |
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242 strsplit(). |
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243 |
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244 ** The datevec function has been extended for better Matlab compatibility. |
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245 It now accepts string inputs in the following numerical formats: 12, 21, |
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246 22, 26, 29, 31. This is undocumented, but verifiable, Matlab behavior. |
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247 In addition, the default for formats which do not specify a date is |
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248 January 1st of the current year. The previous default was the current day, |
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249 month, and year. This may produce changes in existing scripts. |
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250 |
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251 ** The error function and its derivatives has been extended to accept complex |
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252 arguments. The following functions now accept complex inputs: |
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253 |
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254 erf erfc erfcx |
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255 |
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256 In addition two new error functions erfi (imaginary error function) and |
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257 dawson (scaled imaginary error function) have been added. |
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258 |
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259 ** The glpk function has been modified to reflect changes in the GLPK |
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260 library. The "round" and "itcnt" options have been removed. The |
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261 "relax" option has been replaced by the "rtest" option. The numeric |
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262 values of error codes and of some options have also changed. |
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263 |
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264 ** The kurtosis function has changed definition to be compatible with |
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265 Matlab. It now returns the base kurtosis instead of the "excess kurtosis". |
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266 The old behavior can be had by changing scripts to normalize with -3. |
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267 "excess kurtosis" = kurtosis (x) - 3 |
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268 |
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269 ** The default name of the Octave crash dump file is now |
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270 "octave-workspace" instead of "octave-core". |
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271 |
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272 ** A citation command has been added to display information on how to |
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273 cite Octave and packages in publications. The package system will |
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274 look for and install CITATION files from packages. |
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275 |
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276 ** The java package from Octave Forge is now part of core Octave. The |
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277 following new functions are available for interacting with Java |
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278 directly from Octave: |
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279 |
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280 debug_java java_matrix_autoconversion |
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281 isjava java_unsigned_autoconversion |
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282 java2mat javaaddpath |
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283 javaArray javaclasspath |
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284 javaMethod javamem |
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285 javaObject javarmpath |
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286 usejava |
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287 |
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288 In addition, the following functions that use the Java interface |
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289 are now available (provided that Octave is compiled with support for |
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290 Java enabled): |
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291 |
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292 helpdlg listdlg questdlg |
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293 inputdlg msgbox warndlg |
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294 |
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295 ** Other new functions added in 3.8.0: |
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296 |
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297 atan2d erfi lines |
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298 base64_decode expint linsolve |
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299 base64_encode findfigs missing_component_hook |
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300 betaincinv flintmax polyeig |
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301 built_in_docstrings_file fminsearch prefdir |
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302 cmpermute gallery preferences |
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303 cmunique gco readline_re_read_init_file |
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304 colorcube hdl2struct readline_read_init_file |
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305 copyobj history_save rgbplot |
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306 dawson imformats save_default_options |
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307 dblist importdata shrinkfaces |
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308 debug_jit isaxes splinefit |
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309 desktop iscolormap stemleaf |
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310 doc_cache_create isequaln strjoin |
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311 ellipj jit_debug struct2hdl |
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312 ellipke jit_enable tetramesh |
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313 erfcinv jit_startcnt waterfall |
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314 |
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315 ** Deprecated functions. |
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316 |
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317 The following functions were deprecated in Octave 3.4 and have been |
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318 removed from Octave 3.8. |
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319 |
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320 autocor dispatch is_global setstr |
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321 autocov fstat krylovb strerror |
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322 betai gammai perror values |
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323 cellidx glpkmex replot |
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324 cquad is_duplicate_entry saveimage |
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325 |
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326 The following functions have been deprecated in Octave 3.8 and will |
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327 be removed from Octave 3.12 (or whatever version is the second major |
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328 release after 3.8): |
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329 |
| 17694 | 330 default_save_options java_new |
| 331 gen_doc_cache java_set | |
| 332 interp1q java_unsigned_conversion | |
|
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333 isequalwithequalnans javafields |
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334 java_convert_matrix javamethods |
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335 java_debug re_read_readline_init_file |
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336 java_get read_readline_init_file |
|
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337 java_invoke saving_history |
| 17694 | 338 |
|
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339 |
|
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340 The following keywords have been deprecated in Octave 3.8 and will |
|
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341 be removed from Octave 3.12 (or whatever version is the second major |
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342 release after 3.8): |
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343 |
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344 static |
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345 |
|
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346 The following configuration variables have been deprecated in Octave |
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347 3.8 and will be removed from Octave 3.12 (or whatever version is the |
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348 second major release after 3.8): |
|
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349 |
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350 CC_VERSION (now GCC_VERSION) |
|
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351 CXX_VERSION (now GXX_VERSION) |
|
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352 |
|
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353 The internal class <Octave_map> has been deprecated in Octave 3.8 and will |
|
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354 be removed from Octave 3.12 (or whatever version is the second major |
|
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|
355 release after 3.8). Replacement classes are <octave_map> (struct array) |
|
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356 or <octave_scalar_map> for a single structure. |
|
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357 |
|
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358 Summary of important user-visible changes for version 3.6: |
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359 --------------------------------------------------------- |
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|
360 |
| 14188 | 361 ** The PCRE library is now required to build Octave. If a pre-compiled |
| 362 package does not exist for your system, you can find PCRE sources | |
| 363 at http://www.pcre.org | |
|
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Add new isrow, iscolumn functions.
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364 |
|
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NEWS: Add note about ARPACK being removed from source.
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|
365 ** The ARPACK library is no longer distributed with Octave. |
| 14188 | 366 If you need the eigs or svds functions you must provide an |
| 367 external ARPACK through a package manager or by compiling it | |
| 368 yourself. If a pre-compiled package does not exist for your system, | |
| 369 you can find the current ARPACK sources at | |
| 370 http://forge.scilab.org/index.php/p/arpack-ng | |
|
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|
371 |
| 14082 | 372 ** Many of Octave's binary operators (.*, .^, +, -, ...) now perform |
|
14407
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doc: Fix wording in NEWS file.
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373 automatic broadcasting for array operations which allows you to use |
| 14082 | 374 operator notation instead of calling bsxfun or expanding arrays (and |
| 375 unnecessarily wasting memory) with repmat or similar idioms. For | |
| 376 example, to scale the columns of a matrix by the elements of a row | |
| 377 vector, you may now write | |
|
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|
378 |
| 14082 | 379 rv .* M |
| 380 | |
| 381 In this expression, the number of elements of rv must match the | |
| 382 number of columns of M. The following operators are affected: | |
|
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|
383 |
| 14082 | 384 plus + .+ |
| 385 minus - .- | |
| 386 times .* | |
| 387 rdivide ./ | |
| 388 ldivide .\ | |
| 389 power .^ .** | |
| 390 lt < | |
| 391 le <= | |
| 392 eq == | |
| 393 gt > | |
| 394 ge >= | |
| 395 ne != ~= | |
| 396 and & | |
| 397 or | | |
| 398 atan2 | |
| 399 hypot | |
| 400 max | |
| 401 min | |
| 402 mod | |
| 403 rem | |
| 404 xor | |
|
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|
405 |
|
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|
406 additionally, since the A op= B assignment operators are equivalent |
| 14082 | 407 to A = A op B, the following operators are also affected: |
|
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parents:
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|
408 |
| 14082 | 409 += -= .+= .-= .*= ./= .\= .^= .**= &= |= |
| 410 | |
|
14116
951eacaf9381
Initial documentation for broadcasting and general vectorization guidelines
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|
411 See the "Broadcasting" section in the new "Vectorization and Faster |
|
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Initial documentation for broadcasting and general vectorization guidelines
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diff
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|
412 Code Execution" chapter of the manual for more details. |
|
13923
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413 |
|
12988
7aa9cb7aaa32
Announce in NEWS that we now have a profiler
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414 ** Octave now features a profiler, thanks to the work of Daniel Kraft |
|
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Overhaul of statistical distribution functions
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|
415 under the Google Summer of Code mentorship program. The manual has |
| 13262 | 416 been updated to reflect this addition. The new user-visible |
|
14178
3f2a3076b9a6
NEWS: Update list of functions added for 3.6.0 release.
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|
417 functions are profile, profshow, and profexplore. |
|
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Announce in NEWS that we now have a profiler
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diff
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|
418 |
|
13171
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Overhaul of statistical distribution functions
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|
419 ** Overhaul of statistical distribution functions |
|
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Overhaul of statistical distribution functions
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420 |
|
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Overhaul of statistical distribution functions
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|
421 Functions now return "single" outputs for inputs of class "single". |
|
19b9f17d22af
Overhaul of statistical distribution functions
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|
422 |
|
19b9f17d22af
Overhaul of statistical distribution functions
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|
423 75% reduction in memory usage through use of logical indexing. |
|
19b9f17d22af
Overhaul of statistical distribution functions
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|
424 |
| 14188 | 425 Random sample functions now use the same syntax as rand and accept |
|
13171
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Overhaul of statistical distribution functions
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parents:
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|
426 a comma separated list of dimensions or a dimension vector. |
|
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Overhaul of statistical distribution functions
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|
427 |
|
19b9f17d22af
Overhaul of statistical distribution functions
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diff
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|
428 Functions have been made Matlab-compatible with regard to special |
|
19b9f17d22af
Overhaul of statistical distribution functions
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diff
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|
429 cases (probability on boundaries, probabilities for values outside |
|
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Overhaul of statistical distribution functions
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|
430 distribution, etc.). This may cause subtle changes to existing |
|
19b9f17d22af
Overhaul of statistical distribution functions
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|
431 scripts. |
|
19b9f17d22af
Overhaul of statistical distribution functions
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diff
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|
432 |
| 14188 | 433 negative binomial function has been extended to real, non-integer |
|
14408
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diff
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|
434 inputs. The discrete_inv function now returns v(1) for 0 instead of |
|
9f7c22795c94
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parents:
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diff
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|
435 NaN. The nbincdf function has been recoded to use a closed form |
| 14188 | 436 solution with betainc. |
|
13171
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Overhaul of statistical distribution functions
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diff
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|
437 |
|
12866
fe6e2afcd9ee
Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents:
12856
diff
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|
438 ** strread, textscan, and textread have been completely revamped. |
|
fe6e2afcd9ee
Revamp strread, textscan, textread functions for Matlab compatability
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parents:
12856
diff
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|
439 |
|
fe6e2afcd9ee
Revamp strread, textscan, textread functions for Matlab compatability
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parents:
12856
diff
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|
440 They now support nearly all Matlab functionality including: |
|
fe6e2afcd9ee
Revamp strread, textscan, textread functions for Matlab compatability
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parents:
12856
diff
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|
441 |
| 14082 | 442 * Matlab-compatible whitespace and delimiter defaults |
| 443 | |
| 444 * Matlab-compatible options: 'whitespace', treatasempty', format | |
| 445 string repeat count, user-specified comment style, uneven-length | |
| 446 output arrays, %n and %u conversion specifiers (provisionally) | |
|
12866
fe6e2afcd9ee
Revamp strread, textscan, textread functions for Matlab compatability
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parents:
12856
diff
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|
447 |
| 14082 | 448 ** All .m string functions have been modified for better performance or |
| 449 greater Matlab compatibility. Performance gains of 15X-30X have | |
|
14093
050bc580cb60
doc: Various docstring improvements before 3.6.0 release.
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diff
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|
450 been demonstrated. Operations on cell array of strings no longer pay |
| 14082 | 451 quite as high a penalty as those on 2-D character arrays. |
|
12981
4ec4096f65d1
doc: State that required input is cellstr, not cell, for strtrim and deblank (Bug #34038)
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diff
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|
452 |
| 14082 | 453 deblank: Now requires character or cellstr input. |
| 454 | |
| 455 strtrim: Now requires character or cellstr input. | |
| 456 No longer trims nulls ("\0") from string for Matlab | |
| 457 compatibility. | |
|
12981
4ec4096f65d1
doc: State that required input is cellstr, not cell, for strtrim and deblank (Bug #34038)
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parents:
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diff
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|
458 |
| 14082 | 459 strmatch: Follows documentation precisely and ignores trailing spaces |
| 460 in pattern and in string. Note that this is documented | |
| 461 Matlab behavior but the implementation apparently does | |
| 462 not always follow it. | |
| 463 | |
| 464 substr: Now possible to specify a negative LEN option which | |
| 465 extracts to within LEN of the end of the string. | |
| 466 | |
| 467 strtok: Now accepts cellstr input. | |
| 468 | |
| 469 base2dec, bin2dec, hex2dec: | |
| 470 Now accept cellstr inputs. | |
| 471 | |
| 472 dec2base, dec2bin, dec2hex: | |
| 473 Now accept cellstr inputs. | |
| 474 | |
| 475 index, rindex: | |
| 476 Now accept 2-D character array input. | |
| 477 | |
| 478 strsplit: Now accepts 2-D character array input. | |
| 13262 | 479 |
|
13746
7ff0bdc3dc4c
Revamp geometry functions dependent on Qhull (Bug #34604, Bug #33346)
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diff
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|
480 ** Geometry functions derived from Qhull (convhull, delaunay, voronoi) |
| 14082 | 481 have been revamped. The options passed to the underlying qhull |
| 482 command have been changed for better results or for Matlab | |
| 483 compatibility. | |
| 484 | |
| 485 convhull: Default options are "Qt" for 2D, 3D, 4D inputs | |
| 486 Default options are "Qt Qx" for 5D and higher | |
| 487 | |
| 488 delaunay: Default options are "Qt Qbb Qc Qz" for 2D and 3D inputs | |
| 489 Default options are "Qt Qbb Qc Qx" for 4D and higher | |
|
13746
7ff0bdc3dc4c
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diff
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|
490 |
| 14082 | 491 voronoi: No default arguments |
| 492 | |
| 493 ** Date/Time functions updated. Millisecond support with FFF format | |
| 494 string now supported. | |
|
13746
7ff0bdc3dc4c
Revamp geometry functions dependent on Qhull (Bug #34604, Bug #33346)
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|
495 |
| 14082 | 496 datestr: Numerical formats 21, 22, 29 changed to match Matlab. |
|
14408
9f7c22795c94
doc: Correct a few typos in NEWS.
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diff
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|
497 Now accepts cellstr input. |
|
13848
40e32fe44aaa
Ugrade time functions to accept millisecond format string FFF (Bug #34586)
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|
498 |
| 14082 | 499 ** The following warning IDs have been removed: |
|
13848
40e32fe44aaa
Ugrade time functions to accept millisecond format string FFF (Bug #34586)
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diff
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|
500 |
| 14082 | 501 Octave:associativity-change |
| 502 Octave:complex-cmp-ops | |
| 503 Octave:empty-list-elements | |
| 504 Octave:fortran-indexing | |
| 505 Octave:precedence-change | |
| 506 | |
| 507 ** The warning ID Octave:string-concat has been renamed to | |
| 508 Octave:mixed-string-concat. | |
|
13841
0a158dbdb04a
Remove 3 unused warning ids
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13826
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|
509 |
| 14082 | 510 ** Octave now includes the following Matlab-compatible preference |
| 511 functions: | |
| 13262 | 512 |
| 14082 | 513 addpref getpref ispref rmpref setpref |
| 13262 | 514 |
| 14082 | 515 ** The following Matlab-compatible handle graphics functions have been |
| 516 added: | |
|
13926
1f6d17b383f8
Add notes about new handle graphics functions.
Michael Goffioul <michael.goffioul@gmail.com>
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|
517 |
| 14082 | 518 guidata uipanel uitoolbar |
| 519 guihandles uipushtool uiwait | |
| 520 uicontextmenu uiresume waitfor | |
| 521 uicontrol uitoggletool | |
|
13926
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Add notes about new handle graphics functions.
Michael Goffioul <michael.goffioul@gmail.com>
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|
522 |
|
13933
c3c8f513cf1f
NEWS: Clarify that uiXXX functions are experimental/preliminary.
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parents:
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diff
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|
523 The uiXXX functions above are experimental. |
|
c3c8f513cf1f
NEWS: Clarify that uiXXX functions are experimental/preliminary.
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parents:
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|
524 |
| 14082 | 525 Except for uiwait and uiresume, the uiXXX functions are not |
|
14408
9f7c22795c94
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parents:
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diff
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|
526 supported with the FLTK+OpenGL graphics toolkit. |
|
13926
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Add notes about new handle graphics functions.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
13923
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|
527 |
| 14082 | 528 The gnuplot graphics toolkit does not support any of the uiXXX |
| 529 functions nor the waitfor function. | |
|
13926
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Add notes about new handle graphics functions.
Michael Goffioul <michael.goffioul@gmail.com>
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13923
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|
530 |
| 14082 | 531 ** New keyword parfor (parallel for loop) is now recognized as a valid |
| 532 keyword. Implementation, however, is still mapped to an ordinary | |
| 533 for loop. | |
|
13919
8cb79741769d
doc: Update NEWS file with more 3.6.0 features
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diff
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|
534 |
|
13792
2eea4a2e6463
NEWS: Update file with more description of changes made to string functions in 3.6.0
Rik <octave@nomad.inbox5.com>
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|
535 ** Other new functions added in 3.6.0: |
|
12586
f9b7aa3b88f8
Deprecate studentize(), replace with zscore().
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536 |
|
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537 bicg nthargout usejava |
|
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538 is_dq_string narginchk waitbar |
|
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539 is_sq_string python zscore |
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540 is_function_handle register_graphics_toolkit |
|
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541 loaded_graphics_toolkits recycle |
|
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|
542 |
|
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|
543 ** Deprecated functions. |
|
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544 |
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|
545 The following functions were deprecated in Octave 3.2 and have been |
|
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remove functions deprecated in 3.2
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546 removed from Octave 3.6. |
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547 |
|
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548 create_set spcholinv splu |
|
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|
549 dmult spcumprod spmax |
|
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550 iscommand spcumsum spmin |
|
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551 israwcommand spdet spprod |
|
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552 lchol spdiag spqr |
|
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553 loadimage spfind spsum |
|
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|
554 mark_as_command sphcat spsumsq |
|
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remove functions deprecated in 3.2
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555 mark_as_rawcommand spinv spvcat |
|
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|
556 spatan2 spkron str2mat |
|
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557 spchol splchol unmark_command |
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558 spchol2inv split unmark_rawcommand |
|
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559 |
|
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Deprecate is_duplicate_entry.
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|
560 The following functions have been deprecated in Octave 3.6 and will |
|
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Deprecate is_duplicate_entry.
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561 be removed from Octave 3.10 (or whatever version is the second major |
|
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Deprecate is_duplicate_entry.
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562 release after 3.6): |
|
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|
563 |
|
12856
cad4cba03f19
Deprecate corrcoef, cor and replace with Matlab equivalent corr
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|
564 cut is_duplicate_entry |
|
cad4cba03f19
Deprecate corrcoef, cor and replace with Matlab equivalent corr
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|
565 cor polyderiv |
|
14018
5d5685216876
Deprecate shell_cmd function and update system, dos, unix commands
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|
566 corrcoef shell_cmd |
|
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Deprecate shell_cmd function and update system, dos, unix commands
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567 __error_text__ studentize |
|
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|
568 error_text sylvester_matrix |
|
12586
f9b7aa3b88f8
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|
569 |
|
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parents:
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|
570 ** The following functions have been modified for Matlab compatibility: |
|
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571 |
|
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NEWS: mention randperm changes
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572 randperm |
|
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|
573 |
| 13251 | 574 Summary of important user-visible changes for version 3.4.3: |
| 575 ----------------------------------------------------------- | |
| 576 | |
|
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577 ** Octave 3.4.3 is a bug fixing release. |
|
13268
571557ddabb9
maint: periodic merge of stable to default.
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|
578 |
|
12766
1887d8400ba3
First release candidate for 3.4.2
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|
579 Summary of important user-visible changes for version 3.4.2: |
|
1887d8400ba3
First release candidate for 3.4.2
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parents:
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|
580 ----------------------------------------------------------- |
|
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First release candidate for 3.4.2
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parents:
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|
581 |
|
13254
46f5e41c8610
Fix version numbers in NEWS
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parents:
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|
582 ** Octave 3.4.2 fixes some minor installation problems that affected |
|
12766
1887d8400ba3
First release candidate for 3.4.2
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|
583 version 3.4.1. |
|
1887d8400ba3
First release candidate for 3.4.2
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|
584 |
| 12709 | 585 Summary of important user-visible changes for version 3.4.1: |
| 586 ----------------------------------------------------------- | |
|
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587 |
| 12709 | 588 ** Octave 3.4.1 is primarily a bug fixing release. |
| 589 | |
| 590 ** IMPORTANT note about binary incompatibility in this release: | |
|
12488
bea828c03969
Add new isrow, iscolumn functions.
Rik <octave@nomad.inbox5.com>
parents:
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|
591 |
|
12746
07188dbaf89a
maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
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|
592 Binary compatibility for all 3.4.x releases was originally planned, |
|
07188dbaf89a
maint: minor update to NEWS file
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|
593 but this is impossible for the 3.4.1 release due to a bug in the way |
|
07188dbaf89a
maint: minor update to NEWS file
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parents:
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changeset
|
594 shared libraries were built in Octave 3.4.0. Because of this bug, |
|
07188dbaf89a
maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents:
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|
595 .oct files built for Octave 3.4.0 must be recompiled before they |
|
07188dbaf89a
maint: minor update to NEWS file
John W. Eaton <jwe@octave.org>
parents:
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|
596 will work with Octave 3.4.1. |
|
12498
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parents:
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|
597 |
| 12709 | 598 Given that there would be binary incompatibilities with shared |
|
12746
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parents:
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|
599 libraries going from Octave 3.4.0 to 3.4.1, the following |
|
07188dbaf89a
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|
600 incompatible changes were also made in this release: |
| 12709 | 601 |
| 602 * The Perl Compatible Regular Expression (PCRE) library is now | |
| 603 required to build Octave. | |
|
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|
604 |
| 12712 | 605 * Octave's libraries and .oct files are now installed in |
| 606 subdirectories of $libdir instead of $libexecdir. | |
| 607 | |
| 12709 | 608 Any future Octave 3.4.x release versions should remain binary |
|
12746
07188dbaf89a
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changeset
|
609 compatible with Octave 3.4.1 as proper library versioning is now |
|
07188dbaf89a
maint: minor update to NEWS file
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|
610 being used as recommended by the libtool manual. |
| 12709 | 611 |
| 612 ** The following functions have been deprecated in Octave 3.4.1 and will | |
| 613 be removed from Octave 3.8 (or whatever version is the second major | |
| 614 release after 3.4): | |
| 615 | |
| 616 cquad is_duplicate_entry perror strerror | |
|
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remove functions deprecated in 3.2
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|
617 |
| 12709 | 618 ** The following functions are new in 3.4.1: |
| 619 | |
|
12723
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620 colstyle gmres iscolumn isrow mgorth nproc rectangle |
| 12709 | 621 |
| 622 ** The get_forge_pkg function is now private. | |
|
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|
623 |
| 12709 | 624 ** The rectangle_lw, rectangle_sw, triangle_lw, and triangle_sw |
| 625 functions are now private. | |
| 626 | |
| 627 ** The logistic_regression_derivatives and logistic_regression_likelihood | |
| 628 functions are now private. | |
|
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|
629 |
| 12739 | 630 ** ChangeLog files in the Octave sources are no longer maintained |
| 631 by hand. Instead, there is a single ChangeLog file generated from | |
| 632 the Mercurial version control commit messages. Older ChangeLog | |
| 633 information can be found in the etc/OLD-ChangeLogs directory in the | |
| 634 source distribution. | |
| 635 | |
|
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|
636 Summary of important user-visible changes for version 3.4: |
| 9352 | 637 --------------------------------------------------------- |
| 638 | |
|
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|
639 ** BLAS and LAPACK libraries are now required to build Octave. The |
|
cfd0aa788ae1
remove reference blas and lapack sources
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|
640 subset of the reference BLAS and LAPACK libraries has been removed |
|
cfd0aa788ae1
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|
641 from the Octave sources. |
|
12418
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NEWS: Use indent of 2 spaces rather than occasional 3 spaces.
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|
642 |
|
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|
643 ** The ARPACK library is now distributed with Octave so it no longer |
|
b914e8125f1b
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|
644 needs to be available as an external dependency when building |
|
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|
645 Octave. |
|
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|
646 |
| 10118 | 647 ** The `lookup' function was extended to be more useful for |
| 648 general-purpose binary searching. Using this improvement, the | |
| 649 ismember function was rewritten for significantly better | |
| 650 performance. | |
| 9352 | 651 |
| 652 ** Real, integer and logical matrices, when used in indexing, will now | |
| 653 cache the internal index_vector value (zero-based indices) when | |
| 654 successfully used as indices, eliminating the conversion penalty for | |
| 10118 | 655 subsequent indexing by the same matrix. In particular, this means it |
| 656 is no longer needed to avoid repeated indexing by logical arrays | |
| 657 using find for performance reasons. | |
| 9888 | 658 |
| 10118 | 659 ** Logical matrices are now treated more efficiently when used as |
| 660 indices. Octave will keep the index as a logical mask unless the | |
| 661 ratio of true elements is small enough, using a specialized | |
| 662 code. Previously, all logical matrices were always first converted | |
| 663 to index vectors. This results in savings in both memory and | |
| 664 computing time. | |
| 9480 | 665 |
| 10118 | 666 ** The `sub2ind' and `ind2sub' functions were reimplemented as compiled |
| 667 functions for better performance. These functions are now faster, | |
| 668 can deliver more economized results for ranges, and can reuse the | |
| 669 index cache mechanism described in previous paragraph. | |
| 670 | |
| 671 ** The built-in function equivalents to associative operators (`plus', | |
| 672 `times', `mtimes', `and', and `or') have been extended to accept | |
| 673 multiple arguments. This is especially useful for summing | |
| 674 (multiplying, etc.) lists of objects (of possibly distinct types): | |
| 9408 | 675 |
| 9449 | 676 matrix_sum = plus (matrix_list{:}); |
| 677 | |
| 10118 | 678 ** An FTP object type based on libcurl has been implemented. These |
| 679 objects allow ftp connections, downloads and uploads to be | |
| 680 managed. For example, | |
| 9880 | 681 |
| 10118 | 682 fp = ftp ("ftp.octave.org); |
| 683 cd (fp, "gnu/octave"); | |
| 684 mget (fp, "octave-3.2.3.tar.bz2"); | |
| 685 close (fp); | |
| 9880 | 686 |
| 10118 | 687 ** The default behavior of `assert (observed, expected)' has been |
| 688 relaxed to employ less strict checking that does not require the | |
| 689 internals of the values to match. This avoids previously valid | |
| 690 tests from breaking due to new internal classes introduced in future | |
| 691 Octave versions. | |
| 9449 | 692 |
| 693 For instance, all of these assertions were true in Octave 3.0.x | |
| 694 but false in 3.2.x due to new optimizations and improvements: | |
| 695 | |
| 696 assert (2*linspace (1, 5, 5), 2*(1:5)) | |
| 697 assert (zeros (0, 0), []) | |
| 698 assert (2*ones (1, 5), (2) (ones (1,5))) | |
| 9462 | 699 |
| 10118 | 700 ** The behavior of library functions `ismatrix', `issquare', and |
| 701 `issymmetric' has been changed for better consistency. | |
| 9873 | 702 |
| 10292 | 703 * The `ismatrix' function now returns true for all numeric, |
|
11562
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Rename cquad to quadcc and add to documentation.
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parents:
11540
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changeset
|
704 logical and character 2-D or N-D matrices. Previously, `ismatrix' |
| 10292 | 705 returned false if the first or second dimension was zero. |
| 706 Hence, `ismatrix ([])' was false, | |
| 707 while `ismatrix (zeros (1,2,0))' was true. | |
| 9873 | 708 |
| 10118 | 709 * The `issquare' function now returns a logical scalar, and is |
| 710 equivalent to the expression | |
| 711 | |
| 712 ismatrix (x) && ndims (x) == 2 && rows (x) == columns (x) | |
| 713 | |
| 714 The dimension is no longer returned. As a result, `issquare ([])' | |
| 715 now yields true. | |
| 9873 | 716 |
| 10118 | 717 * The `issymmetric' function now checks for symmetry instead of |
|
11562
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|
718 Hermitianness. For the latter, ishermitian was created. Also, |
| 10118 | 719 logical scalar is returned rather than the dimension, so |
| 720 `issymmetric ([])' is now true. | |
| 9873 | 721 |
| 10118 | 722 ** Function handles are now aware of overloaded functions. If a |
| 723 function is overloaded, the handle determines at the time of its | |
| 724 reference which function to call. A non-overloaded version does not | |
| 725 need to exist. | |
| 9873 | 726 |
| 10118 | 727 ** Overloading functions for built-in classes (double, int8, cell, |
| 728 etc.) is now compatible with Matlab. | |
| 9408 | 729 |
| 10323 | 730 ** Function handles can now be compared with the == and != operators, |
| 731 as well as the `isequal' function. | |
| 732 | |
| 10118 | 733 ** Performance of concatenation (using []) and the functions `cat', |
| 734 `horzcat', and `vertcat' has been improved for multidimensional | |
| 735 arrays. | |
| 10117 | 736 |
| 9547 | 737 ** The operation-assignment operators +=, -=, *= and /= now behave more |
| 10118 | 738 efficiently in certain cases. For instance, if M is a matrix and S a |
| 739 scalar, then the statement | |
| 9547 | 740 |
| 10118 | 741 M += S; |
| 9547 | 742 |
| 10118 | 743 will operate on M's data in-place if it is not shared by another |
| 744 variable, usually increasing both time and memory efficiency. | |
| 9547 | 745 |
| 9558 | 746 Only selected common combinations are affected, namely: |
| 9547 | 747 |
| 748 matrix += matrix | |
| 749 matrix -= matrix | |
| 9558 | 750 matrix .*= matrix |
| 751 matrix ./= matrix | |
| 752 | |
| 9547 | 753 matrix += scalar |
| 754 matrix -= scalar | |
| 755 matrix *= scalar | |
| 756 matrix /= scalar | |
| 9558 | 757 |
| 9552 | 758 logical matrix |= logical matrix |
| 759 logical matrix &= logical matrix | |
| 9547 | 760 |
| 10118 | 761 where matrix and scalar belong to the same class. The left-hand |
| 762 side must be a simple variable reference. | |
| 9888 | 763 |
| 10118 | 764 Moreover, when unary operators occur in expressions, Octave will |
| 765 also try to do the operation in-place if it's argument is a | |
|
12702
013cd94d8d7f
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John Bradshaw <john@johnbradshaw.org>
parents:
12698
diff
changeset
|
766 temporary expression. |
| 9589 | 767 |
| 10118 | 768 ** The effect of comparison operators (<, >, <=, and >=) applied to |
| 769 complex numbers has changed to be consistent with the strict | |
| 770 ordering defined by the `max', `min', and `sort' functions. More | |
| 771 specifically, complex numbers are compared by lexicographical | |
| 772 comparison of the pairs `[abs(z), arg(z)]'. Previously, only real | |
| 14188 | 773 parts were compared; this can be trivially achieved by converting |
| 774 the operands to real values with the `real' function. | |
| 9547 | 775 |
| 10118 | 776 ** The automatic simplification of complex computation results has |
| 777 changed. Octave will now simplify any complex number with a zero | |
| 778 imaginary part or any complex matrix with all elements having zero | |
| 779 imaginary part to a real value. Previously, this was done only for | |
| 780 positive zeros. Note that the behavior of the complex function is | |
| 781 unchanged and it still produces a complex value even if the | |
| 782 imaginary part is zero. | |
| 9826 | 783 |
| 10118 | 784 ** As a side effect of code refactoring in liboctave, the binary |
| 785 logical operations are now more easily amenable to compiler | |
| 786 optimizations and are thus significantly faster. | |
| 9595 | 787 |
| 10118 | 788 ** Octave now allows user-defined `subsasgn' methods to optimize out |
| 789 redundant copies. For more information, see the manual. | |
| 9595 | 790 |
| 10453 | 791 ** More efficient matrix division handling. Octave is now able to |
| 10118 | 792 handle the expressions |
| 9664 | 793 |
|
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794 M' \ V |
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795 M.' \ V |
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796 V / M |
| 9664 | 797 |
| 10118 | 798 (M is a matrix and V is a vector) more efficiently in certain cases. |
| 799 In particular, if M is triangular, all three expressions will be | |
| 800 handled by a single call to xTRTRS (from LAPACK), with appropriate | |
| 10453 | 801 flags. Previously, all three expressions required a physical |
| 10118 | 802 transpose of M. |
| 9664 | 803 |
| 10118 | 804 ** More efficient handling of certain mixed real-complex matrix |
| 805 operations. For instance, if RM is a real matrix and CM a complex | |
| 806 matrix, | |
| 9664 | 807 |
| 10118 | 808 RM * CM |
| 9664 | 809 |
| 810 can now be evaluated either as | |
| 811 | |
| 812 complex (RM * real (CM), RM * imag (CM)) | |
| 813 | |
| 814 or as | |
| 815 | |
| 816 complex (RM) * CM, | |
| 817 | |
| 10453 | 818 depending on the dimensions. The first form requires more |
| 819 temporaries and copying, but halves the FLOP count, which normally | |
| 820 brings better performance if RM has enough rows. Previously, the | |
| 821 second form was always used. | |
| 9664 | 822 |
| 11111 | 823 Matrix division is similarly affected. |
| 9664 | 824 |
| 10118 | 825 ** More efficient handling of triangular matrix factors returned from |
| 826 factorizations. The functions for computing QR, LU and Cholesky | |
| 827 factorizations will now automatically return the triangular matrix | |
| 828 factors with proper internal matrix_type set, so that it won't need | |
| 829 to be computed when the matrix is used for division. | |
| 9717 | 830 |
| 10118 | 831 ** The built-in `sum' function now handles the non-native summation |
| 832 (i.e., double precision sum of single or integer inputs) more | |
| 833 efficiently, avoiding a temporary conversion of the whole input | |
| 834 array to doubles. Further, `sum' can now accept an extra option | |
| 835 argument, using a compensated summation algorithm rather than a | |
| 836 straightforward sum, which significantly improves precision if lots | |
| 837 of cancellation occurs in the summation. | |
| 9717 | 838 |
| 10118 | 839 ** The built-in `bsxfun' function now uses optimized code for certain |
| 840 cases where built-in operator handles are passed in. Namely, the | |
| 841 optimizations concern the operators `plus', `minus', `times', | |
| 842 `ldivide', `rdivide', `power', `and', `or' (for logical arrays), | |
| 843 the relational operators `eq', `ne', `lt', `le', `gt', `ge', and the | |
| 844 functions `min' and `max'. Optimizations only apply when both | |
| 845 operands are of the same built-in class. Mixed real/complex and | |
| 846 single/double operations will first convert both operands to a | |
| 847 common type. | |
| 9745 | 848 |
| 10118 | 849 ** The `strfind' and `strrep' functions now have compiled |
| 850 implementations, facilitating significantly more efficient searching | |
| 851 and replacing in strings, especially with longer patterns. The code | |
| 852 of `strcat' has been vectorized and is now much more efficient when | |
| 853 many strings are concatenated. The `strcmpi' and `strncmpi' | |
| 854 functions are now built-in functions, providing better performance. | |
|
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855 |
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856 ** 'str2double' now has a compiled implementation and the API conforms |
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857 to Matlab. The additional Octave-specific features of returning a |
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858 boolean matrix indicating which elements were successfully converted |
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|
859 has been removed. |
| 10208 | 860 |
| 10453 | 861 ** Matlab-style ignoring input and output function arguments using |
| 11111 | 862 tilde (~) is now supported. Ignored output arguments may be |
| 863 detected from a function using the built-in function `isargout'. | |
| 864 For more details, consult the manual. | |
| 10886 | 865 |
| 10453 | 866 ** The list datatype, deprecated since the introduction of cells, has |
| 867 been removed. | |
| 10276 | 868 |
| 10453 | 869 ** The accumarray function has been optimized and is now significantly |
| 870 faster in certain important cases. | |
| 10054 | 871 |
| 10292 | 872 ** The behavior of isreal and isnumeric functions was changed to be more |
| 873 Matlab-compatible. | |
| 874 | |
| 10406 | 875 ** The integer math & conversion warnings (Octave:int-convert-nan, |
| 876 Octave:int-convert-non-int-val, Octave:int-convert-overflow, | |
| 11111 | 877 Octave:int-math-overflow) have been removed. |
| 10406 | 878 |
| 10453 | 879 ** rem and mod are now built-in functions. They also handle integer |
| 880 types efficiently using integer arithmetic. | |
| 10437 | 881 |
| 10536 | 882 ** Sparse indexing and indexed assignment has been mostly rewritten. |
| 883 Since Octave uses compressed column storage for sparse matrices, | |
| 884 major attention is devoted to operations manipulating whole columns. | |
| 885 Such operations are now significantly faster, as well as some other | |
| 886 important cases. | |
| 887 | |
| 888 Further, it is now possible to pre-allocate a sparse matrix and | |
| 889 subsequently fill it by assignments, provided they meet certain | |
| 890 conditions. For more information, consult the `spalloc' function, | |
| 891 which is no longer a mere dummy. Consequently, nzmax and nnz are no | |
| 11111 | 892 longer always equal in Octave. Octave may also produce a matrix |
| 893 with nnz < nzmax as a result of other operations, so you should | |
|
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894 consistently use nnz unless you really want to use nzmax (i.e., the |
| 11111 | 895 space allocated for nonzero elements). |
| 10536 | 896 |
| 897 Sparse concatenation is also affected, and concatenating sparse | |
| 898 matrices, especially larger collections, is now significantly more | |
| 11111 | 899 efficient. This applies to both the [] operator and the |
| 10536 | 900 cat/vertcat/horzcat functions. |
| 901 | |
| 11111 | 902 ** It is now possible to optionally employ the xGESDD LAPACK drivers |
| 14188 | 903 for computing the singular value decomposition using svd, instead |
| 11111 | 904 of the default xGESVD, using the configuration pseudo-variable |
| 905 svd_driver. The xGESDD driver can be up to 6x times faster when | |
| 906 singular vectors are requested, but is reported to be somewhat less | |
| 10639 | 907 robust on highly ill-conditioned matrices. |
| 908 | |
| 909 ** Configuration pseudo-variables, such as page_screen_output or | |
| 910 confirm_recursive_rmdir (or the above mentioned svd_driver), now | |
| 911 accept a "local" option as second argument, requesting the change | |
|
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912 to be undone when the current function returns: |
| 10639 | 913 |
| 914 function [status, msg] = rm_rf (dir) | |
| 915 confirm_recursive_rmdir (false, "local"); | |
| 916 [status, msg] = rmdir (dir, "s"); | |
| 917 ... | |
| 918 endfunction | |
| 919 | |
| 920 Upon return, confirm_recursive_rmdir will be restored to the value | |
| 921 it had on entry to the function, even if there were subsequent | |
| 922 changes to the variable in function rm_rf or any of the functions | |
| 923 it calls. | |
| 924 | |
| 11111 | 925 ** pkg now accepts a -forge option for downloading and installing |
| 926 packages from Octave Forge automatically. For example, | |
| 10774 | 927 |
| 928 pkg install -forge general | |
| 929 | |
| 11111 | 930 will automatically download the latest release of the general |
|
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931 package and attempt to install it. No automatic resolving of |
| 11111 | 932 dependencies is provided. Further, |
| 10639 | 933 |
| 10774 | 934 pkg list -forge |
| 935 | |
| 936 can be used to list all available packages. | |
| 937 | |
|
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938 ** The internal data representation of structs has been completely |
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939 rewritten to make certain optimizations feasible. The field data |
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940 can now be shared between structs with equal keys but different |
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941 dimensions or values, making operations that preserve the fields |
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942 faster. Economized storage is now used for scalar structs (just |
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943 like most other scalars), making their usage more |
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944 memory-efficient. Certain array-like operations on structs |
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945 (concatenation, uniform cellfun, num2cell) have gained a |
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946 significant speed-up. Additionally, the octave_scalar_map class |
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947 now provides a simpler interface to work with scalar structs within |
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948 a C++ DLD function. |
| 10639 | 949 |
|
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950 ** Two new formats are available for displaying numbers: |
| 11111 | 951 |
|
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952 format short eng |
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953 format long eng |
| 11111 | 954 |
|
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955 Both display numbers in engineering notation, i.e., mantissa + |
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956 exponent where the exponent is a multiple of 3. |
|
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957 |
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958 ** The following functions are new in Octave 3.4: |
|
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959 accumdim erfcx nfields pqpnonneg uigetdir |
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960 bitpack fileread nth_element quadcc uigetfile |
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961 bitunpack fminbnd onCleanup randi uiputfile |
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962 blkmm fskipl pbaspect repelems uimenu |
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963 cbrt ifelse pie3 reset whitebg |
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964 curl ishermitian powerset rsf2csf |
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965 chop isindex ppder saveas |
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966 daspect luupdate ppint strread |
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967 divergence merge ppjumps textread |
|
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968 |
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969 ** Using the image function to view images with external programs such |
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970 as display, xv, and xloadimage is no longer supported. The |
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971 image_viewer function has also been removed. |
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972 |
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973 ** The behavior of struct assignments to non-struct values has been |
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974 changed. Previously, it was possible to overwrite an arbitrary |
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975 value: |
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976 |
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977 a = 1; |
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978 a.x = 2; |
| 10873 | 979 |
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980 This is no longer possible unless a is an empty matrix or cell |
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981 array. |
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982 |
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983 ** The dlmread function has been extended to allow specifying a custom |
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984 value for empty fields. |
| 10829 | 985 |
|
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986 ** The dlmread and dlmwrite functions have been modified to accept |
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987 file IDs (as returned by fopen) in addition to file names. |
| 11111 | 988 |
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989 ** Octave can now optimize away the interpreter overhead of an |
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990 anonymous function handle, if the function simply calls another |
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991 function or handle with some of its parameters bound to certain |
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992 values. Example: |
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993 |
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994 f = @(x) sum (x, 1); |
| 10966 | 995 |
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996 When f is called, the call is forwarded to @sum with the constant 1 |
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997 appended, and the anonymous function call does not occur on the |
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998 call stack. |
| 10829 | 999 |
| 12424 | 1000 ** For compatibility with Matlab, mu2lin (x) is now equivalent to |
| 1001 mu2lin (x, 0). | |
| 1002 | |
| 1003 ** The new function `history_control' may be used to control the way | |
| 1004 command lines are added to the history list when Octave is using | |
| 1005 readline for command-line editing. For example | |
| 1006 | |
| 1007 history_control ("ignoredups") | |
| 1008 | |
| 1009 tells Octave to avoid adding duplicate lines to the history list. | |
| 1010 | |
| 1011 ** Octave now uses the gnulib library for improved portability and to | |
| 1012 avoid bugs in operating system functions. | |
| 1013 | |
|
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1014 ** Deprecated functions. |
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1015 |
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1016 The following functions were deprecated in Octave 3.0 and have been |
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1017 removed from Octave 3.4. |
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1018 |
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|
1019 beta_cdf geometric_pdf pascal_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1020 beta_inv geometric_rnd pascal_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1021 beta_pdf hypergeometric_cdf poisson_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1022 beta_rnd hypergeometric_inv poisson_inv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1023 binomial_cdf hypergeometric_pdf poisson_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1024 binomial_inv hypergeometric_rnd poisson_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1025 binomial_pdf intersection polyinteg |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1026 binomial_rnd is_bool setstr |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1027 chisquare_cdf is_complex struct_contains |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1028 chisquare_inv is_list struct_elements |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1029 chisquare_pdf is_matrix t_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1030 chisquare_rnd is_scalar t_inv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1031 clearplot is_square t_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1032 clg is_stream t_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1033 com2str is_struct uniform_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1034 exponential_cdf is_symmetric uniform_inv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1035 exponential_inv is_vector uniform_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1036 exponential_pdf isstr uniform_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1037 exponential_rnd lognormal_cdf weibcdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1038 f_cdf lognormal_inv weibinv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1039 f_inv lognormal_pdf weibpdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1040 f_pdf lognormal_rnd weibrnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1041 f_rnd meshdom weibull_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1042 gamma_cdf normal_cdf weibull_inv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1043 gamma_inv normal_inv weibull_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1044 gamma_pdf normal_pdf weibull_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1045 gamma_rnd normal_rnd wiener_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1046 geometric_cdf pascal_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1047 geometric_inv pascal_inv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1048 |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1049 The following functions were deprecated in Octave 3.2 and will |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1050 be removed from Octave 3.6 (or whatever version is the second major |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1051 release after 3.2): |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1052 |
|
11390
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1053 create_set spcholinv splu |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1054 dmult spcumprod spmax |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1055 iscommand spcumsum spmin |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1056 israwcommand spdet spprod |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1057 lchol spdiag spqr |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1058 loadimage spfind spsum |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1059 mark_as_command sphcat spsumsq |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1060 mark_as_rawcommand spinv spvcat |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1061 spatan2 spkron str2mat |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1062 spchol splchol unmark_command |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1063 spchol2inv split unmark_rawcommand |
|
11112
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1064 |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1065 The following functions have been deprecated in Octave 3.4 and will |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1066 be removed from Octave 3.8 (or whatever version is the second major |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1067 release after 3.4): |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1068 |
|
14354
55bb8c902a4d
maint: Remove deprecated functions from dev branch for next (3.8) release.
Rik <octave@nomad.inbox5.com>
parents:
14294
diff
changeset
|
1069 autocor cellidx gammai is_global replot values |
|
55bb8c902a4d
maint: Remove deprecated functions from dev branch for next (3.8) release.
Rik <octave@nomad.inbox5.com>
parents:
14294
diff
changeset
|
1070 autocov dispatch glpkmex krylovb saveimage |
|
55bb8c902a4d
maint: Remove deprecated functions from dev branch for next (3.8) release.
Rik <octave@nomad.inbox5.com>
parents:
14294
diff
changeset
|
1071 betai fstat intwarning perror strerror |
|
11112
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1072 |
|
7990
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents:
7279
diff
changeset
|
1073 Summary of important user-visible changes for version 3.2: |
| 5913 | 1074 --------------------------------------------------------- |
| 2452 | 1075 |
| 8737 | 1076 ** Compatibility with Matlab graphics has been improved. |
| 6329 | 1077 |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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8014
diff
changeset
|
1078 The hggroup object and associated listener callback functions have |
| 8737 | 1079 been added allowing the inclusion of group objects. Data sources |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8014
diff
changeset
|
1080 have been added to these group objects such that |
|
3b53b25e2550
Add data sources and line series
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parents:
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diff
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|
1081 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
changeset
|
1082 x = 0:0.1:10; |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
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|
1083 y = sin (x); |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
changeset
|
1084 plot (x, y, "ydatasource", "y"); |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
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|
1085 for i = 1 : 100 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
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|
1086 pause(0.1) |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
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|
1087 y = sin (x + 0.1 * i); |
| 14188 | 1088 refreshdata (); |
|
8070
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David Bateman <dbateman@free.fr>
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|
1089 endfor |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1090 |
| 8737 | 1091 works as expected. This capability has be used to introduce |
|
9031
1052a66078cf
Documentation cleanup of top-level Octave directory (READMEs, INSTALL)
Rik <rdrider0-list@yahoo.com>
parents:
8932
diff
changeset
|
1092 stem-series, bar-series, etc., objects for better Matlab |
| 8737 | 1093 compatibility. |
| 1094 | |
| 1095 ** New graphics functions: | |
| 1096 | |
|
11576
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
changeset
|
1097 addlistener ezcontour gcbo refresh |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
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11562
diff
changeset
|
1098 addproperty ezcontourf ginput refreshdata |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
changeset
|
1099 allchild ezmesh gtext specular |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
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11562
diff
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|
1100 available_graphics_toolkits ezmeshc intwarning surfl |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
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11562
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|
1101 graphics_toolkit ezplot ishghandle trisurf |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
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|
1102 cla ezplot3 isocolors waitforbuttonpress |
|
8ac9687dbe9f
rename backend to graphics_toolkit
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parents:
11562
diff
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|
1103 clabel ezpolar isonormals |
|
8ac9687dbe9f
rename backend to graphics_toolkit
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parents:
11562
diff
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|
1104 comet ezsurf isosurface |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1105 dellistener findall linkprop |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
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|
1106 diffuse gcbf plotmatrix |
|
8070
3b53b25e2550
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David Bateman <dbateman@free.fr>
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changeset
|
1107 |
| 8737 | 1108 ** New experimental OpenGL/FLTK based plotting system. |
| 1109 | |
| 1110 An experimental plotting system based on OpenGL and the FLTK | |
|
11576
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
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|
1111 toolkit is now part of Octave. This graphics toolkit is disabled by |
| 8737 | 1112 default. You can switch to using it with the command |
|
8070
3b53b25e2550
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|
1113 |
|
11576
8ac9687dbe9f
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John W. Eaton <jwe@octave.org>
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11562
diff
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|
1114 graphics_toolkit ("fltk") |
|
8070
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Add data sources and line series
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diff
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|
1115 |
|
3b53b25e2550
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|
1116 for all future figures or for a particular figure with the command |
|
3b53b25e2550
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|
1117 |
|
11576
8ac9687dbe9f
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|
1118 graphics_toolkit (h, "fltk") |
|
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1119 |
| 11139 | 1120 where "h" is a valid figure handle. |
|
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|
1121 |
| 8737 | 1122 ** Functions providing direct access to gnuplot have been removed. |
| 1123 | |
|
7990
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
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diff
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|
1124 The functions __gnuplot_plot__, __gnuplot_set__, __gnuplot_raw__, |
|
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
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7279
diff
changeset
|
1125 __gnuplot_show__, __gnuplot_replot__, __gnuplot_splot__, |
| 8737 | 1126 __gnuplot_save_data__ and __gnuplot_send_inline_data__ have been |
| 1127 removed from Octave. These function were incompatible with the | |
| 1128 high level graphics handle code. | |
| 6329 | 1129 |
| 8885 | 1130 ** The Control, Finance and Quaternion functions have been removed. |
| 1131 | |
| 1132 These functions are now available as separate packages from | |
| 1133 | |
| 1134 http://octave.sourceforge.net/packages.html | |
| 1135 | |
| 1136 and can be reinstalled using the Octave package manager (see | |
| 1137 the pkg function). | |
| 1138 | |
| 1139 ** Specific sparse matrix functions removed. | |
| 1140 | |
| 1141 The following functions, which handled only sparse matrices have | |
| 1142 been removed. Instead of calling these functions directly, you | |
| 1143 should use the corresponding function without the "sp" prefix. | |
| 8737 | 1144 |
| 8885 | 1145 spatan2 spcumsum spkron spprod |
| 1146 spchol spdet splchol spqr | |
| 1147 spchol2inv spdiag splu spsum | |
| 1148 spcholinv spfind spmax spsumsqk | |
| 1149 spcumprod spinv spmin | |
| 1150 | |
| 1151 ** Improvements to the debugger. | |
| 1152 | |
| 1153 The interactive debugging features have been improved. Stopping | |
| 1154 on statements with dbstop should work correctly now. Stepping | |
| 1155 into and over functions, and stepping one statement at a time | |
| 1156 (with dbstep) now works. Moving up and down the call stack with | |
| 1157 dbup and dbdown now works. The dbstack function is now available | |
| 1158 to print the current function call stack. The new dbquit function | |
| 1159 is available to exit the debugging mode. | |
| 1160 | |
| 1161 ** Improved traceback error messages. | |
| 1162 | |
| 1163 Traceback error messages are much more concise and easier to | |
| 1164 understand. They now display information about the function call | |
| 1165 stack instead of the stack of all statements that were active at | |
| 1166 the point of the error. | |
|
8014
44d206ae68c9
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1167 |
| 8737 | 1168 ** Object Oriented Programming. |
|
8405
d79dfbff2f9d
document new norm features in NEWS
Jaroslav Hajek <highegg@gmail.com>
parents:
8396
diff
changeset
|
1169 |
| 8737 | 1170 Octave now includes OOP features and the user can create their own |
| 1171 class objects and overloaded functions and operators. For | |
| 1172 example, all methods of a class called "myclass" will be found in | |
| 1173 a directory "@myclass" on the users path. The class specific | |
| 1174 versions of functions and operators take precedence over the | |
| 1175 generic versions of these functions. | |
| 1176 | |
| 1177 New functions related to OOP include | |
| 7189 | 1178 |
| 8737 | 1179 class inferiorto isobject loadobj methods superiorto |
| 1180 | |
| 1181 See the Octave manual for more details. | |
| 7038 | 1182 |
| 8747 | 1183 ** Parsing of Command-style Functions. |
| 1184 | |
| 1185 Octave now parses command-style functions without needing to first | |
| 1186 declare them with "mark_as_command". The rules for recognizing a | |
| 1187 command-style function calls are | |
| 1188 | |
| 1189 * A command must appear as the first word in a statement, | |
| 1190 followed by a space. | |
| 1191 | |
| 1192 * The first character after the space must not be '=' or '(' | |
| 1193 | |
| 1194 * The next token after the space must not look like a binary | |
| 1195 operator. | |
| 1196 | |
| 1197 These rules should be mostly compatible with the way Matlab parses | |
| 1198 command-style function calls and allow users to define commands in | |
| 1199 .m files without having to mark them as commands. | |
| 1200 | |
| 1201 Note that previous versions of Octave allowed expressions like | |
| 1202 | |
| 1203 x = load -text foo.dat | |
| 1204 | |
| 1205 but an expression like this will now generate a parse error. In | |
| 1206 order to assign the value returned by a function to a variable, | |
| 1207 you must use the normal function call syntax: | |
| 1208 | |
| 1209 x = load ("-text", "foo.dat"); | |
| 1210 | |
| 8737 | 1211 ** Block comments. |
| 1212 | |
| 8747 | 1213 Commented code can be between matching "#{" and "#}" or "%{" and |
| 1214 "%}" markers, even if the commented code spans several line. This | |
| 1215 allows blocks code to be commented, without needing to comment | |
| 1216 each line. For example, | |
| 5814 | 1217 |
| 8747 | 1218 function [s, t] = func (x, y) |
| 1219 s = 2 * x; | |
| 1220 #{ | |
| 1221 s *= y; | |
| 1222 t = y + x; | |
| 1223 #} | |
|
7990
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
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|
1224 endfunction |
| 5814 | 1225 |
| 8747 | 1226 the lines "s *= y;" and "t = y + x" will not be executed. |
| 8737 | 1227 |
|
12400
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1228 ** If any subfunction in a file ends with "end" or "endfunction", then |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1229 they all must end that way. Previously, Octave accepted |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
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parents:
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diff
changeset
|
1230 |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
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parents:
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diff
changeset
|
1231 function main () |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1232 ... |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1233 # no endfunction here. |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
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parents:
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diff
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|
1234 function sub () |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
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parents:
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diff
changeset
|
1235 ... |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1236 endfunction |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
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parents:
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diff
changeset
|
1237 |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
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parents:
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diff
changeset
|
1238 but this is no longer allowed. |
|
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diff
changeset
|
1239 |
| 8737 | 1240 ** Special treatment in the parser of expressions like "a' * b". |
| 2452 | 1241 |
| 8737 | 1242 In these cases the transpose is no longer explicitly formed and |
| 1243 BLAS libraries are called with the transpose flagged, | |
| 1244 significantly improving performance for these kinds of | |
| 1245 operations. | |
|
8417
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
8405
diff
changeset
|
1246 |
| 8737 | 1247 ** Single Precision data type. |
| 2452 | 1248 |
| 8737 | 1249 Octave now includes a single precision data type. Single |
| 1250 precision variables can be created with the "single" command, or | |
|
9034
52515efc50c0
Documentation cleanup on NEWS file
Rik <rdrider0-list@yahoo.com>
parents:
9031
diff
changeset
|
1251 from functions like ones, eye, etc. For example, |
| 5995 | 1252 |
| 8737 | 1253 single (1) |
| 1254 ones (2, 2, "single") | |
| 1255 zeros (2, 2, "single") | |
| 1256 eye (2, 2, "single") | |
| 1257 Inf (2, 2, "single") | |
| 1258 NaN (2, 2, "single") | |
| 1259 NA (2, 2, "single") | |
| 7279 | 1260 |
| 8737 | 1261 all create single precision variables. For compatibility with |
| 1262 Matlab, mixed double/single precision operators and functions | |
| 1263 return single precision types. | |
| 1264 | |
| 1265 As a consequence of this addition to Octave the internal | |
|
7990
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents:
7279
diff
changeset
|
1266 representation of the double precision NA value has changed, and |
|
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents:
7279
diff
changeset
|
1267 so users that make use of data generated by Octave with R or |
|
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents:
7279
diff
changeset
|
1268 visa-versa are warned that compatibility might not be assured. |
| 7279 | 1269 |
| 8737 | 1270 ** Improved array indexing. |
| 1271 | |
| 1272 The underlying code used for indexing of arrays has been | |
|
9034
52515efc50c0
Documentation cleanup on NEWS file
Rik <rdrider0-list@yahoo.com>
parents:
9031
diff
changeset
|
1273 completely rewritten and indexing is now significantly faster. |
| 8737 | 1274 |
| 8755 | 1275 ** Improved memory management. |
| 1276 | |
| 1277 Octave will now attempt to share data in some cases where previously | |
| 1278 a copy would be made, such as certain array slicing operations or | |
|
9031
1052a66078cf
Documentation cleanup of top-level Octave directory (READMEs, INSTALL)
Rik <rdrider0-list@yahoo.com>
parents:
8932
diff
changeset
|
1279 conversions between cells, structs and cs-lists. This usually reduces |
| 8755 | 1280 both time and memory consumption. |
| 9128 | 1281 Also, Octave will now attempt to detect and optimize usage of a vector |
| 1282 as a stack, when elements are being repeatedly inserted at/removed from | |
| 1283 the end of the vector. | |
| 8755 | 1284 |
| 8738 | 1285 ** Improved performance for reduction operations. |
| 1286 | |
| 8755 | 1287 The performance of the sum, prod, sumsq, cumsum, cumprod, any, all, |
| 1288 max and min functions has been significantly improved. | |
| 8738 | 1289 |
| 9006 | 1290 ** Sorting and searching. |
| 1291 | |
| 1292 The performance of sort has been improved, especially when sorting | |
| 10453 | 1293 indices are requested. An efficient built-in issorted |
| 1294 implementation was added. The sortrows function now uses a more | |
|
12702
013cd94d8d7f
doc: Spelling fixes for various documentation files
John Bradshaw <john@johnbradshaw.org>
parents:
12698
diff
changeset
|
1295 efficient algorithm, especially in the homogeneous case. The lookup |
| 10453 | 1296 function is now a built-in function performing a binary search, |
| 1297 optimized for long runs of close elements. Lookup also works with | |
| 1298 cell arrays of strings. | |
| 9006 | 1299 |
| 1300 ** Range arithmetics | |
| 1301 | |
| 10453 | 1302 For some operations on ranges, Octave will attempt to keep the |
| 1303 result as a range. These include negation, adding a scalar, | |
|
14093
050bc580cb60
doc: Various docstring improvements before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents:
14082
diff
changeset
|
1304 subtracting a scalar, and multiplying by a scalar. Ranges with zero |
| 10453 | 1305 increment are allowed and can be constructed using the built-in |
| 1306 function `ones'. | |
| 9006 | 1307 |
| 1308 ** Various performance improvements. | |
| 1309 | |
| 10453 | 1310 Performance of a number of other built-in operations and functions |
| 1311 was improved, including: | |
| 9006 | 1312 |
| 1313 * logical operations | |
| 1314 * comparison operators | |
| 1315 * element-wise power | |
| 1316 * accumarray | |
| 1317 * cellfun | |
| 1318 * isnan | |
| 1319 * isinf | |
| 1320 * isfinite | |
| 1321 * nchoosek | |
| 1322 * repmat | |
| 1323 * strcmp | |
| 1324 | |
| 8737 | 1325 ** 64-bit integer arithmetic. |
| 1326 | |
| 1327 Arithmetic with 64-bit integers (int64 and uint64 types) is fully | |
| 1328 supported, with saturation semantics like the other integer types. | |
| 1329 Performance of most integer arithmetic operations has been | |
| 1330 improved by using integer arithmetic directly. Previously, Octave | |
| 1331 performed integer math with saturation semantics by converting the | |
| 1332 operands to double precision, performing the operation, and then | |
| 1333 converting the result back to an integer value, truncating if | |
| 1334 necessary. | |
| 1335 | |
| 8885 | 1336 ** Diagonal and permutation matrices. |
| 1337 | |
| 1338 The interpreter can now treat diagonal and permutation matrices as | |
| 1339 special objects that store only the non-zero elements, rather than | |
| 1340 general full matrices. Therefore, it is now possible to construct | |
| 1341 and use these matrices in linear algebra without suffering a | |
| 1342 performance penalty due to storing large numbers of zero elements. | |
| 1343 | |
| 1344 ** Improvements to fsolve. | |
| 1345 | |
| 1346 The fsolve function now accepts an option structure argument (see | |
| 1347 also the optimset function). The INFO values returned from fsolve | |
| 1348 have changed to be compatible with Matlab's fsolve function. | |
| 1349 Additionally, fsolve is now able to solve overdetermined systems, | |
| 1350 complex-differentiable complex systems, systems with a sparse | |
| 1351 jacobian and can work in single precision if given single precision | |
|
9031
1052a66078cf
Documentation cleanup of top-level Octave directory (READMEs, INSTALL)
Rik <rdrider0-list@yahoo.com>
parents:
8932
diff
changeset
|
1352 inputs. It can also be called recursively. |
| 8885 | 1353 |
| 8737 | 1354 ** Improvements to the norm function. |
| 1355 | |
| 1356 The norm function is now able to compute row or column norms of a | |
| 1357 matrix in a single call, as well as general matrix p-norms. | |
| 1358 | |
| 1359 ** New functions for computing some eigenvalues or singular values. | |
| 1360 | |
| 1361 The eigs and svds functions have been included in Octave. These | |
| 1362 functions require the ARPACK library (now distributed under a | |
| 1363 GPL-compatible license). | |
| 1364 | |
| 1365 ** New QR and Cholesky factorization updating functions. | |
|
8370
34960ba08a81
document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents:
8292
diff
changeset
|
1366 |
| 8737 | 1367 choldelete cholshift qrdelete qrshift |
| 1368 cholinsert cholupdate qrinsert qrupdate | |
| 1369 | |
| 1370 ** New quadrature functions. | |
| 1371 | |
| 1372 dblquad quadgk quadv triplequad | |
| 1373 | |
| 8885 | 1374 ** New functions for reading and writing images. |
| 1375 | |
| 1376 The imwrite and imread functions have been included in Octave. | |
| 1377 These functions require the GraphicsMagick library. The new | |
| 1378 function imfinfo provides information about an image file (size, | |
| 1379 type, colors, etc.) | |
| 1380 | |
|
9215
1500d0197484
allow multiple input event hook functions to be installed simultaneously
John W. Eaton <jwe@octave.org>
parents:
9128
diff
changeset
|
1381 ** The input_event_hook function has been replaced by the pair of |
|
1500d0197484
allow multiple input event hook functions to be installed simultaneously
John W. Eaton <jwe@octave.org>
parents:
9128
diff
changeset
|
1382 functions add_input_event_hook and remove_input_event_hook so that |
|
1500d0197484
allow multiple input event hook functions to be installed simultaneously
John W. Eaton <jwe@octave.org>
parents:
9128
diff
changeset
|
1383 more than one hook function may be installed at a time. |
|
1500d0197484
allow multiple input event hook functions to be installed simultaneously
John W. Eaton <jwe@octave.org>
parents:
9128
diff
changeset
|
1384 |
| 8737 | 1385 ** Other miscellaneous new functions. |
|
8370
34960ba08a81
document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents:
8292
diff
changeset
|
1386 |
|
8932
2d0f8692a82e
Add the 'histc' function
Soren Hauberg <hauberg@gmail.com>
parents:
8888
diff
changeset
|
1387 addtodate hypot reallog |
|
2d0f8692a82e
Add the 'histc' function
Soren Hauberg <hauberg@gmail.com>
parents:
8888
diff
changeset
|
1388 bicgstab idivide realpow |
| 9006 | 1389 cellslices info realsqrt |
| 1390 cgs interp1q rectint | |
| 1391 command_line_path isdebugmode regexptranslate | |
| 1392 contrast isfloat restoredefaultpath | |
| 1393 convn isstrprop roundb | |
| 1394 cummin log1p rundemos | |
| 1395 cummax lsqnonneg runlength | |
| 1396 datetick matlabroot saveobj | |
| 1397 display namelengthmax spaugment | |
| 1398 expm1 nargoutchk strchr | |
| 1399 filemarker pathdef strvcat | |
| 1400 fstat perl subspace | |
| 1401 full prctile symvar | |
| 1402 fzero quantile treelayout | |
| 1403 genvarname re_read_readline_init_file validatestring | |
| 1404 histc | |
|
8370
34960ba08a81
document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents:
8292
diff
changeset
|
1405 |
| 8885 | 1406 ** Changes to strcat. |
| 1407 | |
| 1408 The strcat function is now compatible with Matlab's strcat | |
| 1409 function, which removes trailing whitespace when concatenating | |
| 1410 character strings. For example | |
| 1411 | |
| 1412 strcat ('foo ', 'bar') | |
| 1413 ==> 'foobar' | |
| 1414 | |
| 1415 The new function cstrcat provides the previous behavior of | |
| 1416 Octave's strcat. | |
| 1417 | |
| 1418 ** Improvements to the help functions. | |
| 1419 | |
|
9034
52515efc50c0
Documentation cleanup on NEWS file
Rik <rdrider0-list@yahoo.com>
parents:
9031
diff
changeset
|
1420 The help system has been mostly re-implemented in .m files to make |
| 8885 | 1421 it easier to modify. Performance of the lookfor function has been |
| 1422 greatly improved by caching the help text from all functions that | |
| 1423 are distributed with Octave. The pkg function has been modified | |
| 1424 to generate cache files for external packages when they are | |
| 1425 installed. | |
| 1426 | |
|
8888
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1427 ** Deprecated functions. |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1428 |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1429 The following functions were deprecated in Octave 3.0 and will be |
|
11112
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1430 removed from Octave 3.4 (or whatever version is the second major |
|
8888
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1431 release after 3.0): |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1432 |
|
11112
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1433 beta_cdf geometric_pdf pascal_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1434 beta_inv geometric_rnd pascal_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1435 beta_pdf hypergeometric_cdf poisson_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1436 beta_rnd hypergeometric_inv poisson_inv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1437 binomial_cdf hypergeometric_pdf poisson_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1438 binomial_inv hypergeometric_rnd poisson_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1439 binomial_pdf intersection polyinteg |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1440 binomial_rnd is_bool setstr |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1441 chisquare_cdf is_complex struct_contains |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1442 chisquare_inv is_list struct_elements |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1443 chisquare_pdf is_matrix t_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1444 chisquare_rnd is_scalar t_inv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1445 clearplot is_square t_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1446 clg is_stream t_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1447 com2str is_struct uniform_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1448 exponential_cdf is_symmetric uniform_inv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1449 exponential_inv is_vector uniform_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1450 exponential_pdf isstr uniform_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1451 exponential_rnd lognormal_cdf weibcdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1452 f_cdf lognormal_inv weibinv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1453 f_inv lognormal_pdf weibpdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1454 f_pdf lognormal_rnd weibrnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1455 f_rnd meshdom weibull_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1456 gamma_cdf normal_cdf weibull_inv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1457 gamma_inv normal_inv weibull_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1458 gamma_pdf normal_pdf weibull_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1459 gamma_rnd normal_rnd wiener_rnd |
|
8888
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1460 geometric_cdf pascal_cdf |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1461 geometric_inv pascal_inv |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1462 |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1463 The following functions are now deprecated in Octave 3.2 and will |
|
11112
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1464 be removed from Octave 3.6 (or whatever version is the second major |
|
8888
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1465 release after 3.2): |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1466 |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1467 create_set spcholinv spmax |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1468 dmult spcumprod spmin |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1469 iscommand spcumsum spprod |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1470 israwcommand spdet spqr |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1471 lchol spdiag spsum |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
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changeset
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1472 loadimage spfind spsumsq |
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mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
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changeset
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1473 mark_as_command spinv str2mat |
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mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
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1474 mark_as_rawcommand spkron unmark_command |
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mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
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1475 spatan2 splchol unmark_rawcommand |
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mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
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1476 spchol split |
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mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
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1477 spchol2inv splu |
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mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
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changeset
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1478 |
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7990
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
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1479 See NEWS.3 for old news. |
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* NEWS: Surround contents with <pre></pre>
John W. Eaton <jwe@octave.org>
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1480 </pre> |