Mercurial > hg > octave-nkf
annotate NEWS @ 17600:e89f6dcb37f0
* NEWS: Surround contents with <pre></pre>
| author | John W. Eaton <jwe@octave.org> |
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| date | Tue, 08 Oct 2013 02:08:38 -0400 |
| parents | 6e4ea5c8a4bb |
| children | 1efe4c65c5cf |
| 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 default name of the Octave crash dump file is now |
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265 "octave-workspace" instead of "octave-core". |
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266 |
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267 ** A citation command has been added to display information on how to |
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268 cite Octave and packages in publications. The package system will |
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269 look for and install CITATION files from packages. |
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270 |
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271 ** The java package from Octave Forge is now part of core Octave. The |
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272 following new functions are available for interacting with Java |
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273 directly from Octave: |
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274 |
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275 debug_java java_matrix_autoconversion |
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276 isjava java_unsigned_autoconversion |
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277 java2mat javaaddpath |
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278 javaArray javaclasspath |
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279 javaMethod javamem |
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280 javaObject javarmpath |
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281 usejava |
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282 |
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283 In addition, the following functions that use the Java interface |
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284 are now available (provided that Octave is compiled with support for |
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285 Java enabled): |
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286 |
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287 helpdlg listdlg questdlg |
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288 inputdlg msgbox warndlg |
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289 |
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290 ** Other new functions added in 3.8.0: |
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291 |
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292 atan2d erfi lines |
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293 base64_decode expint linsolve |
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294 base64_encode findfigs missing_component_hook |
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295 betaincinv flintmax polyeig |
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296 built_in_docstrings_file fminsearch prefdir |
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297 cmpermute gallery preferences |
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298 cmunique gco readline_re_read_init_file |
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299 colorcube hdl2struct readline_read_init_file |
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300 copyobj history_save rgbplot |
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301 dawson imformats save_default_options |
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302 dblist importdata shrinkfaces |
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303 debug_jit isaxes splinefit |
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304 desktop iscolormap stemleaf |
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305 doc_cache_create isequaln strjoin |
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306 ellipj jit_debug struct2hdl |
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307 ellipke jit_enable tetramesh |
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308 erfcinv jit_startcnt waterfall |
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309 |
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310 ** Deprecated functions. |
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311 |
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312 The following functions were deprecated in Octave 3.4 and have been |
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313 removed from Octave 3.8. |
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314 |
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315 autocor dispatch is_global setstr |
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316 autocov fstat krylovb strerror |
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317 betai gammai perror values |
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318 cellidx glpkmex replot |
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319 cquad is_duplicate_entry saveimage |
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320 |
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321 The following functions have been deprecated in Octave 3.8 and will |
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322 be removed from Octave 3.12 (or whatever version is the second major |
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323 release after 3.8): |
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324 |
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325 default_save_options java_set |
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326 gen_doc_cache java_unsigned_conversion |
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327 isequalwithequalnans javafields |
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328 java_convert_matrix javamethods |
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329 java_debug re_read_readline_init_file |
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330 java_get read_readline_init_file |
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331 java_invoke saving_history |
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332 java_new |
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333 |
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334 The following keywords have been deprecated in Octave 3.8 and will |
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335 be removed from Octave 3.12 (or whatever version is the second major |
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336 release after 3.8): |
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337 |
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338 static |
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339 |
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340 The following configuration variables have been deprecated in Octave |
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341 3.8 and will be removed from Octave 3.12 (or whatever version is the |
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342 second major release after 3.8): |
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343 |
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344 CC_VERSION (now GCC_VERSION) |
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345 CXX_VERSION (now GXX_VERSION) |
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346 |
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347 The internal class <Octave_map> has been deprecated in Octave 3.8 and will |
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348 be removed from Octave 3.12 (or whatever version is the second major |
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349 release after 3.8). Replacement classes are <octave_map> (struct array) |
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350 or <octave_scalar_map> for a single structure. |
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351 |
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352 Summary of important user-visible changes for version 3.6: |
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353 --------------------------------------------------------- |
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354 |
| 14188 | 355 ** The PCRE library is now required to build Octave. If a pre-compiled |
| 356 package does not exist for your system, you can find PCRE sources | |
| 357 at http://www.pcre.org | |
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358 |
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359 ** The ARPACK library is no longer distributed with Octave. |
| 14188 | 360 If you need the eigs or svds functions you must provide an |
| 361 external ARPACK through a package manager or by compiling it | |
| 362 yourself. If a pre-compiled package does not exist for your system, | |
| 363 you can find the current ARPACK sources at | |
| 364 http://forge.scilab.org/index.php/p/arpack-ng | |
|
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365 |
| 14082 | 366 ** Many of Octave's binary operators (.*, .^, +, -, ...) now perform |
|
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367 automatic broadcasting for array operations which allows you to use |
| 14082 | 368 operator notation instead of calling bsxfun or expanding arrays (and |
| 369 unnecessarily wasting memory) with repmat or similar idioms. For | |
| 370 example, to scale the columns of a matrix by the elements of a row | |
| 371 vector, you may now write | |
|
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372 |
| 14082 | 373 rv .* M |
| 374 | |
| 375 In this expression, the number of elements of rv must match the | |
| 376 number of columns of M. The following operators are affected: | |
|
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377 |
| 14082 | 378 plus + .+ |
| 379 minus - .- | |
| 380 times .* | |
| 381 rdivide ./ | |
| 382 ldivide .\ | |
| 383 power .^ .** | |
| 384 lt < | |
| 385 le <= | |
| 386 eq == | |
| 387 gt > | |
| 388 ge >= | |
| 389 ne != ~= | |
| 390 and & | |
| 391 or | | |
| 392 atan2 | |
| 393 hypot | |
| 394 max | |
| 395 min | |
| 396 mod | |
| 397 rem | |
| 398 xor | |
|
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399 |
|
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400 additionally, since the A op= B assignment operators are equivalent |
| 14082 | 401 to A = A op B, the following operators are also affected: |
|
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402 |
| 14082 | 403 += -= .+= .-= .*= ./= .\= .^= .**= &= |= |
| 404 | |
|
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405 See the "Broadcasting" section in the new "Vectorization and Faster |
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|
406 Code Execution" chapter of the manual for more details. |
|
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407 |
|
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Announce in NEWS that we now have a profiler
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408 ** Octave now features a profiler, thanks to the work of Daniel Kraft |
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409 under the Google Summer of Code mentorship program. The manual has |
| 13262 | 410 been updated to reflect this addition. The new user-visible |
|
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411 functions are profile, profshow, and profexplore. |
|
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412 |
|
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413 ** Overhaul of statistical distribution functions |
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414 |
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415 Functions now return "single" outputs for inputs of class "single". |
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416 |
|
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|
417 75% reduction in memory usage through use of logical indexing. |
|
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418 |
| 14188 | 419 Random sample functions now use the same syntax as rand and accept |
|
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420 a comma separated list of dimensions or a dimension vector. |
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421 |
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422 Functions have been made Matlab-compatible with regard to special |
|
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423 cases (probability on boundaries, probabilities for values outside |
|
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424 distribution, etc.). This may cause subtle changes to existing |
|
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425 scripts. |
|
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|
426 |
| 14188 | 427 negative binomial function has been extended to real, non-integer |
|
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428 inputs. The discrete_inv function now returns v(1) for 0 instead of |
|
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|
429 NaN. The nbincdf function has been recoded to use a closed form |
| 14188 | 430 solution with betainc. |
|
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431 |
|
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Revamp strread, textscan, textread functions for Matlab compatability
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432 ** strread, textscan, and textread have been completely revamped. |
|
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433 |
|
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Revamp strread, textscan, textread functions for Matlab compatability
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|
434 They now support nearly all Matlab functionality including: |
|
fe6e2afcd9ee
Revamp strread, textscan, textread functions for Matlab compatability
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|
435 |
| 14082 | 436 * Matlab-compatible whitespace and delimiter defaults |
| 437 | |
| 438 * Matlab-compatible options: 'whitespace', treatasempty', format | |
| 439 string repeat count, user-specified comment style, uneven-length | |
| 440 output arrays, %n and %u conversion specifiers (provisionally) | |
|
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|
441 |
| 14082 | 442 ** All .m string functions have been modified for better performance or |
| 443 greater Matlab compatibility. Performance gains of 15X-30X have | |
|
14093
050bc580cb60
doc: Various docstring improvements before 3.6.0 release.
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|
444 been demonstrated. Operations on cell array of strings no longer pay |
| 14082 | 445 quite as high a penalty as those on 2-D character arrays. |
|
12981
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|
446 |
| 14082 | 447 deblank: Now requires character or cellstr input. |
| 448 | |
| 449 strtrim: Now requires character or cellstr input. | |
| 450 No longer trims nulls ("\0") from string for Matlab | |
| 451 compatibility. | |
|
12981
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|
452 |
| 14082 | 453 strmatch: Follows documentation precisely and ignores trailing spaces |
| 454 in pattern and in string. Note that this is documented | |
| 455 Matlab behavior but the implementation apparently does | |
| 456 not always follow it. | |
| 457 | |
| 458 substr: Now possible to specify a negative LEN option which | |
| 459 extracts to within LEN of the end of the string. | |
| 460 | |
| 461 strtok: Now accepts cellstr input. | |
| 462 | |
| 463 base2dec, bin2dec, hex2dec: | |
| 464 Now accept cellstr inputs. | |
| 465 | |
| 466 dec2base, dec2bin, dec2hex: | |
| 467 Now accept cellstr inputs. | |
| 468 | |
| 469 index, rindex: | |
| 470 Now accept 2-D character array input. | |
| 471 | |
| 472 strsplit: Now accepts 2-D character array input. | |
| 13262 | 473 |
|
13746
7ff0bdc3dc4c
Revamp geometry functions dependent on Qhull (Bug #34604, Bug #33346)
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|
474 ** Geometry functions derived from Qhull (convhull, delaunay, voronoi) |
| 14082 | 475 have been revamped. The options passed to the underlying qhull |
| 476 command have been changed for better results or for Matlab | |
| 477 compatibility. | |
| 478 | |
| 479 convhull: Default options are "Qt" for 2D, 3D, 4D inputs | |
| 480 Default options are "Qt Qx" for 5D and higher | |
| 481 | |
| 482 delaunay: Default options are "Qt Qbb Qc Qz" for 2D and 3D inputs | |
| 483 Default options are "Qt Qbb Qc Qx" for 4D and higher | |
|
13746
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|
484 |
| 14082 | 485 voronoi: No default arguments |
| 486 | |
| 487 ** Date/Time functions updated. Millisecond support with FFF format | |
| 488 string now supported. | |
|
13746
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|
489 |
| 14082 | 490 datestr: Numerical formats 21, 22, 29 changed to match Matlab. |
|
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|
491 Now accepts cellstr input. |
|
13848
40e32fe44aaa
Ugrade time functions to accept millisecond format string FFF (Bug #34586)
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|
492 |
| 14082 | 493 ** The following warning IDs have been removed: |
|
13848
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Ugrade time functions to accept millisecond format string FFF (Bug #34586)
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|
494 |
| 14082 | 495 Octave:associativity-change |
| 496 Octave:complex-cmp-ops | |
| 497 Octave:empty-list-elements | |
| 498 Octave:fortran-indexing | |
| 499 Octave:precedence-change | |
| 500 | |
| 501 ** The warning ID Octave:string-concat has been renamed to | |
| 502 Octave:mixed-string-concat. | |
|
13841
0a158dbdb04a
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|
503 |
| 14082 | 504 ** Octave now includes the following Matlab-compatible preference |
| 505 functions: | |
| 13262 | 506 |
| 14082 | 507 addpref getpref ispref rmpref setpref |
| 13262 | 508 |
| 14082 | 509 ** The following Matlab-compatible handle graphics functions have been |
| 510 added: | |
|
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Add notes about new handle graphics functions.
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|
511 |
| 14082 | 512 guidata uipanel uitoolbar |
| 513 guihandles uipushtool uiwait | |
| 514 uicontextmenu uiresume waitfor | |
| 515 uicontrol uitoggletool | |
|
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|
516 |
|
13933
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NEWS: Clarify that uiXXX functions are experimental/preliminary.
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|
517 The uiXXX functions above are experimental. |
|
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518 |
| 14082 | 519 Except for uiwait and uiresume, the uiXXX functions are not |
|
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|
520 supported with the FLTK+OpenGL graphics toolkit. |
|
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|
521 |
| 14082 | 522 The gnuplot graphics toolkit does not support any of the uiXXX |
| 523 functions nor the waitfor function. | |
|
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|
524 |
| 14082 | 525 ** New keyword parfor (parallel for loop) is now recognized as a valid |
| 526 keyword. Implementation, however, is still mapped to an ordinary | |
| 527 for loop. | |
|
13919
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528 |
|
13792
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NEWS: Update file with more description of changes made to string functions in 3.6.0
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|
529 ** Other new functions added in 3.6.0: |
|
12586
f9b7aa3b88f8
Deprecate studentize(), replace with zscore().
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|
530 |
|
14178
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|
531 bicg nthargout usejava |
|
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|
532 is_dq_string narginchk waitbar |
|
3f2a3076b9a6
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533 is_sq_string python zscore |
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534 is_function_handle register_graphics_toolkit |
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535 loaded_graphics_toolkits recycle |
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536 |
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537 ** Deprecated functions. |
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538 |
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539 The following functions were deprecated in Octave 3.2 and have been |
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540 removed from Octave 3.6. |
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541 |
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542 create_set spcholinv splu |
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543 dmult spcumprod spmax |
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544 iscommand spcumsum spmin |
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545 israwcommand spdet spprod |
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546 lchol spdiag spqr |
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547 loadimage spfind spsum |
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548 mark_as_command sphcat spsumsq |
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549 mark_as_rawcommand spinv spvcat |
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550 spatan2 spkron str2mat |
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551 spchol splchol unmark_command |
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552 spchol2inv split unmark_rawcommand |
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553 |
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554 The following functions have been deprecated in Octave 3.6 and will |
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555 be removed from Octave 3.10 (or whatever version is the second major |
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556 release after 3.6): |
|
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557 |
|
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558 cut is_duplicate_entry |
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559 cor polyderiv |
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560 corrcoef shell_cmd |
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561 __error_text__ studentize |
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562 error_text sylvester_matrix |
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563 |
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564 ** The following functions have been modified for Matlab compatibility: |
|
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565 |
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566 randperm |
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567 |
| 13251 | 568 Summary of important user-visible changes for version 3.4.3: |
| 569 ----------------------------------------------------------- | |
| 570 | |
|
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571 ** Octave 3.4.3 is a bug fixing release. |
|
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572 |
|
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1887d8400ba3
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573 Summary of important user-visible changes for version 3.4.2: |
|
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574 ----------------------------------------------------------- |
|
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575 |
|
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576 ** Octave 3.4.2 fixes some minor installation problems that affected |
|
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577 version 3.4.1. |
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578 |
| 12709 | 579 Summary of important user-visible changes for version 3.4.1: |
| 580 ----------------------------------------------------------- | |
|
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581 |
| 12709 | 582 ** Octave 3.4.1 is primarily a bug fixing release. |
| 583 | |
| 584 ** IMPORTANT note about binary incompatibility in this release: | |
|
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585 |
|
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586 Binary compatibility for all 3.4.x releases was originally planned, |
|
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587 but this is impossible for the 3.4.1 release due to a bug in the way |
|
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588 shared libraries were built in Octave 3.4.0. Because of this bug, |
|
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589 .oct files built for Octave 3.4.0 must be recompiled before they |
|
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590 will work with Octave 3.4.1. |
|
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591 |
| 12709 | 592 Given that there would be binary incompatibilities with shared |
|
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593 libraries going from Octave 3.4.0 to 3.4.1, the following |
|
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594 incompatible changes were also made in this release: |
| 12709 | 595 |
| 596 * The Perl Compatible Regular Expression (PCRE) library is now | |
| 597 required to build Octave. | |
|
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598 |
| 12712 | 599 * Octave's libraries and .oct files are now installed in |
| 600 subdirectories of $libdir instead of $libexecdir. | |
| 601 | |
| 12709 | 602 Any future Octave 3.4.x release versions should remain binary |
|
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603 compatible with Octave 3.4.1 as proper library versioning is now |
|
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604 being used as recommended by the libtool manual. |
| 12709 | 605 |
| 606 ** The following functions have been deprecated in Octave 3.4.1 and will | |
| 607 be removed from Octave 3.8 (or whatever version is the second major | |
| 608 release after 3.4): | |
| 609 | |
| 610 cquad is_duplicate_entry perror strerror | |
|
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611 |
| 12709 | 612 ** The following functions are new in 3.4.1: |
| 613 | |
|
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614 colstyle gmres iscolumn isrow mgorth nproc rectangle |
| 12709 | 615 |
| 616 ** The get_forge_pkg function is now private. | |
|
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617 |
| 12709 | 618 ** The rectangle_lw, rectangle_sw, triangle_lw, and triangle_sw |
| 619 functions are now private. | |
| 620 | |
| 621 ** The logistic_regression_derivatives and logistic_regression_likelihood | |
| 622 functions are now private. | |
|
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623 |
| 12739 | 624 ** ChangeLog files in the Octave sources are no longer maintained |
| 625 by hand. Instead, there is a single ChangeLog file generated from | |
| 626 the Mercurial version control commit messages. Older ChangeLog | |
| 627 information can be found in the etc/OLD-ChangeLogs directory in the | |
| 628 source distribution. | |
| 629 | |
|
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630 Summary of important user-visible changes for version 3.4: |
| 9352 | 631 --------------------------------------------------------- |
| 632 | |
|
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633 ** BLAS and LAPACK libraries are now required to build Octave. The |
|
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634 subset of the reference BLAS and LAPACK libraries has been removed |
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635 from the Octave sources. |
|
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636 |
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637 ** The ARPACK library is now distributed with Octave so it no longer |
|
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638 needs to be available as an external dependency when building |
|
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639 Octave. |
|
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640 |
| 10118 | 641 ** The `lookup' function was extended to be more useful for |
| 642 general-purpose binary searching. Using this improvement, the | |
| 643 ismember function was rewritten for significantly better | |
| 644 performance. | |
| 9352 | 645 |
| 646 ** Real, integer and logical matrices, when used in indexing, will now | |
| 647 cache the internal index_vector value (zero-based indices) when | |
| 648 successfully used as indices, eliminating the conversion penalty for | |
| 10118 | 649 subsequent indexing by the same matrix. In particular, this means it |
| 650 is no longer needed to avoid repeated indexing by logical arrays | |
| 651 using find for performance reasons. | |
| 9888 | 652 |
| 10118 | 653 ** Logical matrices are now treated more efficiently when used as |
| 654 indices. Octave will keep the index as a logical mask unless the | |
| 655 ratio of true elements is small enough, using a specialized | |
| 656 code. Previously, all logical matrices were always first converted | |
| 657 to index vectors. This results in savings in both memory and | |
| 658 computing time. | |
| 9480 | 659 |
| 10118 | 660 ** The `sub2ind' and `ind2sub' functions were reimplemented as compiled |
| 661 functions for better performance. These functions are now faster, | |
| 662 can deliver more economized results for ranges, and can reuse the | |
| 663 index cache mechanism described in previous paragraph. | |
| 664 | |
| 665 ** The built-in function equivalents to associative operators (`plus', | |
| 666 `times', `mtimes', `and', and `or') have been extended to accept | |
| 667 multiple arguments. This is especially useful for summing | |
| 668 (multiplying, etc.) lists of objects (of possibly distinct types): | |
| 9408 | 669 |
| 9449 | 670 matrix_sum = plus (matrix_list{:}); |
| 671 | |
| 10118 | 672 ** An FTP object type based on libcurl has been implemented. These |
| 673 objects allow ftp connections, downloads and uploads to be | |
| 674 managed. For example, | |
| 9880 | 675 |
| 10118 | 676 fp = ftp ("ftp.octave.org); |
| 677 cd (fp, "gnu/octave"); | |
| 678 mget (fp, "octave-3.2.3.tar.bz2"); | |
| 679 close (fp); | |
| 9880 | 680 |
| 10118 | 681 ** The default behavior of `assert (observed, expected)' has been |
| 682 relaxed to employ less strict checking that does not require the | |
| 683 internals of the values to match. This avoids previously valid | |
| 684 tests from breaking due to new internal classes introduced in future | |
| 685 Octave versions. | |
| 9449 | 686 |
| 687 For instance, all of these assertions were true in Octave 3.0.x | |
| 688 but false in 3.2.x due to new optimizations and improvements: | |
| 689 | |
| 690 assert (2*linspace (1, 5, 5), 2*(1:5)) | |
| 691 assert (zeros (0, 0), []) | |
| 692 assert (2*ones (1, 5), (2) (ones (1,5))) | |
| 9462 | 693 |
| 10118 | 694 ** The behavior of library functions `ismatrix', `issquare', and |
| 695 `issymmetric' has been changed for better consistency. | |
| 9873 | 696 |
| 10292 | 697 * The `ismatrix' function now returns true for all numeric, |
|
11562
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698 logical and character 2-D or N-D matrices. Previously, `ismatrix' |
| 10292 | 699 returned false if the first or second dimension was zero. |
| 700 Hence, `ismatrix ([])' was false, | |
| 701 while `ismatrix (zeros (1,2,0))' was true. | |
| 9873 | 702 |
| 10118 | 703 * The `issquare' function now returns a logical scalar, and is |
| 704 equivalent to the expression | |
| 705 | |
| 706 ismatrix (x) && ndims (x) == 2 && rows (x) == columns (x) | |
| 707 | |
| 708 The dimension is no longer returned. As a result, `issquare ([])' | |
| 709 now yields true. | |
| 9873 | 710 |
| 10118 | 711 * The `issymmetric' function now checks for symmetry instead of |
|
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712 Hermitianness. For the latter, ishermitian was created. Also, |
| 10118 | 713 logical scalar is returned rather than the dimension, so |
| 714 `issymmetric ([])' is now true. | |
| 9873 | 715 |
| 10118 | 716 ** Function handles are now aware of overloaded functions. If a |
| 717 function is overloaded, the handle determines at the time of its | |
| 718 reference which function to call. A non-overloaded version does not | |
| 719 need to exist. | |
| 9873 | 720 |
| 10118 | 721 ** Overloading functions for built-in classes (double, int8, cell, |
| 722 etc.) is now compatible with Matlab. | |
| 9408 | 723 |
| 10323 | 724 ** Function handles can now be compared with the == and != operators, |
| 725 as well as the `isequal' function. | |
| 726 | |
| 10118 | 727 ** Performance of concatenation (using []) and the functions `cat', |
| 728 `horzcat', and `vertcat' has been improved for multidimensional | |
| 729 arrays. | |
| 10117 | 730 |
| 9547 | 731 ** The operation-assignment operators +=, -=, *= and /= now behave more |
| 10118 | 732 efficiently in certain cases. For instance, if M is a matrix and S a |
| 733 scalar, then the statement | |
| 9547 | 734 |
| 10118 | 735 M += S; |
| 9547 | 736 |
| 10118 | 737 will operate on M's data in-place if it is not shared by another |
| 738 variable, usually increasing both time and memory efficiency. | |
| 9547 | 739 |
| 9558 | 740 Only selected common combinations are affected, namely: |
| 9547 | 741 |
| 742 matrix += matrix | |
| 743 matrix -= matrix | |
| 9558 | 744 matrix .*= matrix |
| 745 matrix ./= matrix | |
| 746 | |
| 9547 | 747 matrix += scalar |
| 748 matrix -= scalar | |
| 749 matrix *= scalar | |
| 750 matrix /= scalar | |
| 9558 | 751 |
| 9552 | 752 logical matrix |= logical matrix |
| 753 logical matrix &= logical matrix | |
| 9547 | 754 |
| 10118 | 755 where matrix and scalar belong to the same class. The left-hand |
| 756 side must be a simple variable reference. | |
| 9888 | 757 |
| 10118 | 758 Moreover, when unary operators occur in expressions, Octave will |
| 759 also try to do the operation in-place if it's argument is a | |
|
12702
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|
760 temporary expression. |
| 9589 | 761 |
| 10118 | 762 ** The effect of comparison operators (<, >, <=, and >=) applied to |
| 763 complex numbers has changed to be consistent with the strict | |
| 764 ordering defined by the `max', `min', and `sort' functions. More | |
| 765 specifically, complex numbers are compared by lexicographical | |
| 766 comparison of the pairs `[abs(z), arg(z)]'. Previously, only real | |
| 14188 | 767 parts were compared; this can be trivially achieved by converting |
| 768 the operands to real values with the `real' function. | |
| 9547 | 769 |
| 10118 | 770 ** The automatic simplification of complex computation results has |
| 771 changed. Octave will now simplify any complex number with a zero | |
| 772 imaginary part or any complex matrix with all elements having zero | |
| 773 imaginary part to a real value. Previously, this was done only for | |
| 774 positive zeros. Note that the behavior of the complex function is | |
| 775 unchanged and it still produces a complex value even if the | |
| 776 imaginary part is zero. | |
| 9826 | 777 |
| 10118 | 778 ** As a side effect of code refactoring in liboctave, the binary |
| 779 logical operations are now more easily amenable to compiler | |
| 780 optimizations and are thus significantly faster. | |
| 9595 | 781 |
| 10118 | 782 ** Octave now allows user-defined `subsasgn' methods to optimize out |
| 783 redundant copies. For more information, see the manual. | |
| 9595 | 784 |
| 10453 | 785 ** More efficient matrix division handling. Octave is now able to |
| 10118 | 786 handle the expressions |
| 9664 | 787 |
|
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788 M' \ V |
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789 M.' \ V |
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790 V / M |
| 9664 | 791 |
| 10118 | 792 (M is a matrix and V is a vector) more efficiently in certain cases. |
| 793 In particular, if M is triangular, all three expressions will be | |
| 794 handled by a single call to xTRTRS (from LAPACK), with appropriate | |
| 10453 | 795 flags. Previously, all three expressions required a physical |
| 10118 | 796 transpose of M. |
| 9664 | 797 |
| 10118 | 798 ** More efficient handling of certain mixed real-complex matrix |
| 799 operations. For instance, if RM is a real matrix and CM a complex | |
| 800 matrix, | |
| 9664 | 801 |
| 10118 | 802 RM * CM |
| 9664 | 803 |
| 804 can now be evaluated either as | |
| 805 | |
| 806 complex (RM * real (CM), RM * imag (CM)) | |
| 807 | |
| 808 or as | |
| 809 | |
| 810 complex (RM) * CM, | |
| 811 | |
| 10453 | 812 depending on the dimensions. The first form requires more |
| 813 temporaries and copying, but halves the FLOP count, which normally | |
| 814 brings better performance if RM has enough rows. Previously, the | |
| 815 second form was always used. | |
| 9664 | 816 |
| 11111 | 817 Matrix division is similarly affected. |
| 9664 | 818 |
| 10118 | 819 ** More efficient handling of triangular matrix factors returned from |
| 820 factorizations. The functions for computing QR, LU and Cholesky | |
| 821 factorizations will now automatically return the triangular matrix | |
| 822 factors with proper internal matrix_type set, so that it won't need | |
| 823 to be computed when the matrix is used for division. | |
| 9717 | 824 |
| 10118 | 825 ** The built-in `sum' function now handles the non-native summation |
| 826 (i.e., double precision sum of single or integer inputs) more | |
| 827 efficiently, avoiding a temporary conversion of the whole input | |
| 828 array to doubles. Further, `sum' can now accept an extra option | |
| 829 argument, using a compensated summation algorithm rather than a | |
| 830 straightforward sum, which significantly improves precision if lots | |
| 831 of cancellation occurs in the summation. | |
| 9717 | 832 |
| 10118 | 833 ** The built-in `bsxfun' function now uses optimized code for certain |
| 834 cases where built-in operator handles are passed in. Namely, the | |
| 835 optimizations concern the operators `plus', `minus', `times', | |
| 836 `ldivide', `rdivide', `power', `and', `or' (for logical arrays), | |
| 837 the relational operators `eq', `ne', `lt', `le', `gt', `ge', and the | |
| 838 functions `min' and `max'. Optimizations only apply when both | |
| 839 operands are of the same built-in class. Mixed real/complex and | |
| 840 single/double operations will first convert both operands to a | |
| 841 common type. | |
| 9745 | 842 |
| 10118 | 843 ** The `strfind' and `strrep' functions now have compiled |
| 844 implementations, facilitating significantly more efficient searching | |
| 845 and replacing in strings, especially with longer patterns. The code | |
| 846 of `strcat' has been vectorized and is now much more efficient when | |
| 847 many strings are concatenated. The `strcmpi' and `strncmpi' | |
| 848 functions are now built-in functions, providing better performance. | |
|
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849 |
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850 ** 'str2double' now has a compiled implementation and the API conforms |
|
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851 to Matlab. The additional Octave-specific features of returning a |
|
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852 boolean matrix indicating which elements were successfully converted |
|
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|
853 has been removed. |
| 10208 | 854 |
| 10453 | 855 ** Matlab-style ignoring input and output function arguments using |
| 11111 | 856 tilde (~) is now supported. Ignored output arguments may be |
| 857 detected from a function using the built-in function `isargout'. | |
| 858 For more details, consult the manual. | |
| 10886 | 859 |
| 10453 | 860 ** The list datatype, deprecated since the introduction of cells, has |
| 861 been removed. | |
| 10276 | 862 |
| 10453 | 863 ** The accumarray function has been optimized and is now significantly |
| 864 faster in certain important cases. | |
| 10054 | 865 |
| 10292 | 866 ** The behavior of isreal and isnumeric functions was changed to be more |
| 867 Matlab-compatible. | |
| 868 | |
| 10406 | 869 ** The integer math & conversion warnings (Octave:int-convert-nan, |
| 870 Octave:int-convert-non-int-val, Octave:int-convert-overflow, | |
| 11111 | 871 Octave:int-math-overflow) have been removed. |
| 10406 | 872 |
| 10453 | 873 ** rem and mod are now built-in functions. They also handle integer |
| 874 types efficiently using integer arithmetic. | |
| 10437 | 875 |
| 10536 | 876 ** Sparse indexing and indexed assignment has been mostly rewritten. |
| 877 Since Octave uses compressed column storage for sparse matrices, | |
| 878 major attention is devoted to operations manipulating whole columns. | |
| 879 Such operations are now significantly faster, as well as some other | |
| 880 important cases. | |
| 881 | |
| 882 Further, it is now possible to pre-allocate a sparse matrix and | |
| 883 subsequently fill it by assignments, provided they meet certain | |
| 884 conditions. For more information, consult the `spalloc' function, | |
| 885 which is no longer a mere dummy. Consequently, nzmax and nnz are no | |
| 11111 | 886 longer always equal in Octave. Octave may also produce a matrix |
| 887 with nnz < nzmax as a result of other operations, so you should | |
|
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888 consistently use nnz unless you really want to use nzmax (i.e., the |
| 11111 | 889 space allocated for nonzero elements). |
| 10536 | 890 |
| 891 Sparse concatenation is also affected, and concatenating sparse | |
| 892 matrices, especially larger collections, is now significantly more | |
| 11111 | 893 efficient. This applies to both the [] operator and the |
| 10536 | 894 cat/vertcat/horzcat functions. |
| 895 | |
| 11111 | 896 ** It is now possible to optionally employ the xGESDD LAPACK drivers |
| 14188 | 897 for computing the singular value decomposition using svd, instead |
| 11111 | 898 of the default xGESVD, using the configuration pseudo-variable |
| 899 svd_driver. The xGESDD driver can be up to 6x times faster when | |
| 900 singular vectors are requested, but is reported to be somewhat less | |
| 10639 | 901 robust on highly ill-conditioned matrices. |
| 902 | |
| 903 ** Configuration pseudo-variables, such as page_screen_output or | |
| 904 confirm_recursive_rmdir (or the above mentioned svd_driver), now | |
| 905 accept a "local" option as second argument, requesting the change | |
|
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|
906 to be undone when the current function returns: |
| 10639 | 907 |
| 908 function [status, msg] = rm_rf (dir) | |
| 909 confirm_recursive_rmdir (false, "local"); | |
| 910 [status, msg] = rmdir (dir, "s"); | |
| 911 ... | |
| 912 endfunction | |
| 913 | |
| 914 Upon return, confirm_recursive_rmdir will be restored to the value | |
| 915 it had on entry to the function, even if there were subsequent | |
| 916 changes to the variable in function rm_rf or any of the functions | |
| 917 it calls. | |
| 918 | |
| 11111 | 919 ** pkg now accepts a -forge option for downloading and installing |
| 920 packages from Octave Forge automatically. For example, | |
| 10774 | 921 |
| 922 pkg install -forge general | |
| 923 | |
| 11111 | 924 will automatically download the latest release of the general |
|
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925 package and attempt to install it. No automatic resolving of |
| 11111 | 926 dependencies is provided. Further, |
| 10639 | 927 |
| 10774 | 928 pkg list -forge |
| 929 | |
| 930 can be used to list all available packages. | |
| 931 | |
|
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932 ** The internal data representation of structs has been completely |
|
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933 rewritten to make certain optimizations feasible. The field data |
|
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934 can now be shared between structs with equal keys but different |
|
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935 dimensions or values, making operations that preserve the fields |
|
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936 faster. Economized storage is now used for scalar structs (just |
|
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937 like most other scalars), making their usage more |
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938 memory-efficient. Certain array-like operations on structs |
|
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939 (concatenation, uniform cellfun, num2cell) have gained a |
|
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940 significant speed-up. Additionally, the octave_scalar_map class |
|
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941 now provides a simpler interface to work with scalar structs within |
|
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|
942 a C++ DLD function. |
| 10639 | 943 |
|
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944 ** Two new formats are available for displaying numbers: |
| 11111 | 945 |
|
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946 format short eng |
|
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947 format long eng |
| 11111 | 948 |
|
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949 Both display numbers in engineering notation, i.e., mantissa + |
|
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950 exponent where the exponent is a multiple of 3. |
|
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|
951 |
|
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952 ** The following functions are new in Octave 3.4: |
|
12723
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953 accumdim erfcx nfields pqpnonneg uigetdir |
|
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954 bitpack fileread nth_element quadcc uigetfile |
|
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955 bitunpack fminbnd onCleanup randi uiputfile |
|
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956 blkmm fskipl pbaspect repelems uimenu |
|
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957 cbrt ifelse pie3 reset whitebg |
|
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958 curl ishermitian powerset rsf2csf |
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959 chop isindex ppder saveas |
|
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960 daspect luupdate ppint strread |
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|
961 divergence merge ppjumps textread |
|
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962 |
|
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963 ** Using the image function to view images with external programs such |
|
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964 as display, xv, and xloadimage is no longer supported. The |
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965 image_viewer function has also been removed. |
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966 |
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967 ** The behavior of struct assignments to non-struct values has been |
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968 changed. Previously, it was possible to overwrite an arbitrary |
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969 value: |
|
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970 |
|
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971 a = 1; |
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972 a.x = 2; |
| 10873 | 973 |
|
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974 This is no longer possible unless a is an empty matrix or cell |
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975 array. |
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976 |
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977 ** The dlmread function has been extended to allow specifying a custom |
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978 value for empty fields. |
| 10829 | 979 |
|
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980 ** The dlmread and dlmwrite functions have been modified to accept |
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981 file IDs (as returned by fopen) in addition to file names. |
| 11111 | 982 |
|
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983 ** Octave can now optimize away the interpreter overhead of an |
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984 anonymous function handle, if the function simply calls another |
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985 function or handle with some of its parameters bound to certain |
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986 values. Example: |
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987 |
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988 f = @(x) sum (x, 1); |
| 10966 | 989 |
|
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990 When f is called, the call is forwarded to @sum with the constant 1 |
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991 appended, and the anonymous function call does not occur on the |
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992 call stack. |
| 10829 | 993 |
| 12424 | 994 ** For compatibility with Matlab, mu2lin (x) is now equivalent to |
| 995 mu2lin (x, 0). | |
| 996 | |
| 997 ** The new function `history_control' may be used to control the way | |
| 998 command lines are added to the history list when Octave is using | |
| 999 readline for command-line editing. For example | |
| 1000 | |
| 1001 history_control ("ignoredups") | |
| 1002 | |
| 1003 tells Octave to avoid adding duplicate lines to the history list. | |
| 1004 | |
| 1005 ** Octave now uses the gnulib library for improved portability and to | |
| 1006 avoid bugs in operating system functions. | |
| 1007 | |
|
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1008 ** Deprecated functions. |
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1009 |
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1010 The following functions were deprecated in Octave 3.0 and have been |
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1011 removed from Octave 3.4. |
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1012 |
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1013 beta_cdf geometric_pdf pascal_pdf |
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1014 beta_inv geometric_rnd pascal_rnd |
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1015 beta_pdf hypergeometric_cdf poisson_cdf |
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1016 beta_rnd hypergeometric_inv poisson_inv |
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1017 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
|
1018 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
|
1019 binomial_pdf intersection polyinteg |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1020 binomial_rnd is_bool setstr |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1021 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
|
1022 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
|
1023 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
|
1024 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
|
1025 clearplot is_square t_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1026 clg is_stream t_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1027 com2str is_struct uniform_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1028 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
|
1029 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
|
1030 exponential_pdf isstr uniform_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1031 exponential_rnd lognormal_cdf weibcdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1032 f_cdf lognormal_inv weibinv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1033 f_inv lognormal_pdf weibpdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1034 f_pdf lognormal_rnd weibrnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1035 f_rnd meshdom weibull_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1036 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
|
1037 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
|
1038 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
|
1039 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
|
1040 geometric_cdf pascal_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1041 geometric_inv pascal_inv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1042 |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1043 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
|
1044 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
|
1045 release after 3.2): |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1046 |
|
11390
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1047 create_set spcholinv splu |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1048 dmult spcumprod spmax |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1049 iscommand spcumsum spmin |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1050 israwcommand spdet spprod |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1051 lchol spdiag spqr |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1052 loadimage spfind spsum |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1053 mark_as_command sphcat spsumsq |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1054 mark_as_rawcommand spinv spvcat |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1055 spatan2 spkron str2mat |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1056 spchol splchol unmark_command |
|
7ca273af4309
Deprecate sphcat and spvcat functions.
Rik <octave@nomad.inbox5.com>
parents:
11330
diff
changeset
|
1057 spchol2inv split unmark_rawcommand |
|
11112
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1058 |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1059 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
|
1060 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
|
1061 release after 3.4): |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1062 |
|
14354
55bb8c902a4d
maint: Remove deprecated functions from dev branch for next (3.8) release.
Rik <octave@nomad.inbox5.com>
parents:
14294
diff
changeset
|
1063 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
|
1064 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
|
1065 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
|
1066 |
|
7990
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents:
7279
diff
changeset
|
1067 Summary of important user-visible changes for version 3.2: |
| 5913 | 1068 --------------------------------------------------------- |
| 2452 | 1069 |
| 8737 | 1070 ** Compatibility with Matlab graphics has been improved. |
| 6329 | 1071 |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8014
diff
changeset
|
1072 The hggroup object and associated listener callback functions have |
| 8737 | 1073 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
|
1074 have been added to these group objects such that |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8014
diff
changeset
|
1075 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1076 x = 0:0.1:10; |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1077 y = sin (x); |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1078 plot (x, y, "ydatasource", "y"); |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8014
diff
changeset
|
1079 for i = 1 : 100 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
changeset
|
1080 pause(0.1) |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1081 y = sin (x + 0.1 * i); |
| 14188 | 1082 refreshdata (); |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
changeset
|
1083 endfor |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
changeset
|
1084 |
| 8737 | 1085 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
|
1086 stem-series, bar-series, etc., objects for better Matlab |
| 8737 | 1087 compatibility. |
| 1088 | |
| 1089 ** New graphics functions: | |
| 1090 | |
|
11576
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
changeset
|
1091 addlistener ezcontour gcbo refresh |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
changeset
|
1092 addproperty ezcontourf ginput refreshdata |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
changeset
|
1093 allchild ezmesh gtext specular |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
changeset
|
1094 available_graphics_toolkits ezmeshc intwarning surfl |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
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11562
diff
changeset
|
1095 graphics_toolkit ezplot ishghandle trisurf |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
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11562
diff
changeset
|
1096 cla ezplot3 isocolors waitforbuttonpress |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
changeset
|
1097 clabel ezpolar isonormals |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
changeset
|
1098 comet ezsurf isosurface |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
11562
diff
changeset
|
1099 dellistener findall linkprop |
|
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1100 diffuse gcbf plotmatrix |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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changeset
|
1101 |
| 8737 | 1102 ** New experimental OpenGL/FLTK based plotting system. |
| 1103 | |
| 1104 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
changeset
|
1105 toolkit is now part of Octave. This graphics toolkit is disabled by |
| 8737 | 1106 default. You can switch to using it with the command |
|
8070
3b53b25e2550
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David Bateman <dbateman@free.fr>
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8014
diff
changeset
|
1107 |
|
11576
8ac9687dbe9f
rename backend to graphics_toolkit
John W. Eaton <jwe@octave.org>
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11562
diff
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|
1108 graphics_toolkit ("fltk") |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
changeset
|
1109 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1110 for all future figures or for a particular figure with the command |
|
3b53b25e2550
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diff
changeset
|
1111 |
|
11576
8ac9687dbe9f
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John W. Eaton <jwe@octave.org>
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11562
diff
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|
1112 graphics_toolkit (h, "fltk") |
|
8070
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Add data sources and line series
David Bateman <dbateman@free.fr>
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|
1113 |
| 11139 | 1114 where "h" is a valid figure handle. |
|
8070
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Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
changeset
|
1115 |
| 8737 | 1116 ** Functions providing direct access to gnuplot have been removed. |
| 1117 | |
|
7990
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents:
7279
diff
changeset
|
1118 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
|
1119 __gnuplot_show__, __gnuplot_replot__, __gnuplot_splot__, |
| 8737 | 1120 __gnuplot_save_data__ and __gnuplot_send_inline_data__ have been |
| 1121 removed from Octave. These function were incompatible with the | |
| 1122 high level graphics handle code. | |
| 6329 | 1123 |
| 8885 | 1124 ** The Control, Finance and Quaternion functions have been removed. |
| 1125 | |
| 1126 These functions are now available as separate packages from | |
| 1127 | |
| 1128 http://octave.sourceforge.net/packages.html | |
| 1129 | |
| 1130 and can be reinstalled using the Octave package manager (see | |
| 1131 the pkg function). | |
| 1132 | |
| 1133 ** Specific sparse matrix functions removed. | |
| 1134 | |
| 1135 The following functions, which handled only sparse matrices have | |
| 1136 been removed. Instead of calling these functions directly, you | |
| 1137 should use the corresponding function without the "sp" prefix. | |
| 8737 | 1138 |
| 8885 | 1139 spatan2 spcumsum spkron spprod |
| 1140 spchol spdet splchol spqr | |
| 1141 spchol2inv spdiag splu spsum | |
| 1142 spcholinv spfind spmax spsumsqk | |
| 1143 spcumprod spinv spmin | |
| 1144 | |
| 1145 ** Improvements to the debugger. | |
| 1146 | |
| 1147 The interactive debugging features have been improved. Stopping | |
| 1148 on statements with dbstop should work correctly now. Stepping | |
| 1149 into and over functions, and stepping one statement at a time | |
| 1150 (with dbstep) now works. Moving up and down the call stack with | |
| 1151 dbup and dbdown now works. The dbstack function is now available | |
| 1152 to print the current function call stack. The new dbquit function | |
| 1153 is available to exit the debugging mode. | |
| 1154 | |
| 1155 ** Improved traceback error messages. | |
| 1156 | |
| 1157 Traceback error messages are much more concise and easier to | |
| 1158 understand. They now display information about the function call | |
| 1159 stack instead of the stack of all statements that were active at | |
| 1160 the point of the error. | |
|
8014
44d206ae68c9
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John W. Eaton <jwe@octave.org>
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7990
diff
changeset
|
1161 |
| 8737 | 1162 ** Object Oriented Programming. |
|
8405
d79dfbff2f9d
document new norm features in NEWS
Jaroslav Hajek <highegg@gmail.com>
parents:
8396
diff
changeset
|
1163 |
| 8737 | 1164 Octave now includes OOP features and the user can create their own |
| 1165 class objects and overloaded functions and operators. For | |
| 1166 example, all methods of a class called "myclass" will be found in | |
| 1167 a directory "@myclass" on the users path. The class specific | |
| 1168 versions of functions and operators take precedence over the | |
| 1169 generic versions of these functions. | |
| 1170 | |
| 1171 New functions related to OOP include | |
| 7189 | 1172 |
| 8737 | 1173 class inferiorto isobject loadobj methods superiorto |
| 1174 | |
| 1175 See the Octave manual for more details. | |
| 7038 | 1176 |
| 8747 | 1177 ** Parsing of Command-style Functions. |
| 1178 | |
| 1179 Octave now parses command-style functions without needing to first | |
| 1180 declare them with "mark_as_command". The rules for recognizing a | |
| 1181 command-style function calls are | |
| 1182 | |
| 1183 * A command must appear as the first word in a statement, | |
| 1184 followed by a space. | |
| 1185 | |
| 1186 * The first character after the space must not be '=' or '(' | |
| 1187 | |
| 1188 * The next token after the space must not look like a binary | |
| 1189 operator. | |
| 1190 | |
| 1191 These rules should be mostly compatible with the way Matlab parses | |
| 1192 command-style function calls and allow users to define commands in | |
| 1193 .m files without having to mark them as commands. | |
| 1194 | |
| 1195 Note that previous versions of Octave allowed expressions like | |
| 1196 | |
| 1197 x = load -text foo.dat | |
| 1198 | |
| 1199 but an expression like this will now generate a parse error. In | |
| 1200 order to assign the value returned by a function to a variable, | |
| 1201 you must use the normal function call syntax: | |
| 1202 | |
| 1203 x = load ("-text", "foo.dat"); | |
| 1204 | |
| 8737 | 1205 ** Block comments. |
| 1206 | |
| 8747 | 1207 Commented code can be between matching "#{" and "#}" or "%{" and |
| 1208 "%}" markers, even if the commented code spans several line. This | |
| 1209 allows blocks code to be commented, without needing to comment | |
| 1210 each line. For example, | |
| 5814 | 1211 |
| 8747 | 1212 function [s, t] = func (x, y) |
| 1213 s = 2 * x; | |
| 1214 #{ | |
| 1215 s *= y; | |
| 1216 t = y + x; | |
| 1217 #} | |
|
7990
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents:
7279
diff
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|
1218 endfunction |
| 5814 | 1219 |
| 8747 | 1220 the lines "s *= y;" and "t = y + x" will not be executed. |
| 8737 | 1221 |
|
12400
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
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12224
diff
changeset
|
1222 ** 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>
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12224
diff
changeset
|
1223 they all must end that way. Previously, Octave accepted |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
John W. Eaton <jwe@octave.org>
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12224
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|
1224 |
|
5252f12537f8
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diff
changeset
|
1225 function main () |
|
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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|
1226 ... |
|
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
|
1227 # 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
changeset
|
1228 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
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|
1229 ... |
|
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
|
1230 endfunction |
|
5252f12537f8
don't warn about coercing nested functions to subfunctions if yyparse failed
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|
1231 |
|
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|
1232 but this is no longer allowed. |
|
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|
1233 |
| 8737 | 1234 ** Special treatment in the parser of expressions like "a' * b". |
| 2452 | 1235 |
| 8737 | 1236 In these cases the transpose is no longer explicitly formed and |
| 1237 BLAS libraries are called with the transpose flagged, | |
| 1238 significantly improving performance for these kinds of | |
| 1239 operations. | |
|
8417
654bcfb937bf
Add the eigs and svds functions
David Bateman <dbateman@free.fr>
parents:
8405
diff
changeset
|
1240 |
| 8737 | 1241 ** Single Precision data type. |
| 2452 | 1242 |
| 8737 | 1243 Octave now includes a single precision data type. Single |
| 1244 precision variables can be created with the "single" command, or | |
|
9034
52515efc50c0
Documentation cleanup on NEWS file
Rik <rdrider0-list@yahoo.com>
parents:
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diff
changeset
|
1245 from functions like ones, eye, etc. For example, |
| 5995 | 1246 |
| 8737 | 1247 single (1) |
| 1248 ones (2, 2, "single") | |
| 1249 zeros (2, 2, "single") | |
| 1250 eye (2, 2, "single") | |
| 1251 Inf (2, 2, "single") | |
| 1252 NaN (2, 2, "single") | |
| 1253 NA (2, 2, "single") | |
| 7279 | 1254 |
| 8737 | 1255 all create single precision variables. For compatibility with |
| 1256 Matlab, mixed double/single precision operators and functions | |
| 1257 return single precision types. | |
| 1258 | |
| 1259 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
|
1260 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
|
1261 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
|
1262 visa-versa are warned that compatibility might not be assured. |
| 7279 | 1263 |
| 8737 | 1264 ** Improved array indexing. |
| 1265 | |
| 1266 The underlying code used for indexing of arrays has been | |
|
9034
52515efc50c0
Documentation cleanup on NEWS file
Rik <rdrider0-list@yahoo.com>
parents:
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diff
changeset
|
1267 completely rewritten and indexing is now significantly faster. |
| 8737 | 1268 |
| 8755 | 1269 ** Improved memory management. |
| 1270 | |
| 1271 Octave will now attempt to share data in some cases where previously | |
| 1272 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
|
1273 conversions between cells, structs and cs-lists. This usually reduces |
| 8755 | 1274 both time and memory consumption. |
| 9128 | 1275 Also, Octave will now attempt to detect and optimize usage of a vector |
| 1276 as a stack, when elements are being repeatedly inserted at/removed from | |
| 1277 the end of the vector. | |
| 8755 | 1278 |
| 8738 | 1279 ** Improved performance for reduction operations. |
| 1280 | |
| 8755 | 1281 The performance of the sum, prod, sumsq, cumsum, cumprod, any, all, |
| 1282 max and min functions has been significantly improved. | |
| 8738 | 1283 |
| 9006 | 1284 ** Sorting and searching. |
| 1285 | |
| 1286 The performance of sort has been improved, especially when sorting | |
| 10453 | 1287 indices are requested. An efficient built-in issorted |
| 1288 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
|
1289 efficient algorithm, especially in the homogeneous case. The lookup |
| 10453 | 1290 function is now a built-in function performing a binary search, |
| 1291 optimized for long runs of close elements. Lookup also works with | |
| 1292 cell arrays of strings. | |
| 9006 | 1293 |
| 1294 ** Range arithmetics | |
| 1295 | |
| 10453 | 1296 For some operations on ranges, Octave will attempt to keep the |
| 1297 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
|
1298 subtracting a scalar, and multiplying by a scalar. Ranges with zero |
| 10453 | 1299 increment are allowed and can be constructed using the built-in |
| 1300 function `ones'. | |
| 9006 | 1301 |
| 1302 ** Various performance improvements. | |
| 1303 | |
| 10453 | 1304 Performance of a number of other built-in operations and functions |
| 1305 was improved, including: | |
| 9006 | 1306 |
| 1307 * logical operations | |
| 1308 * comparison operators | |
| 1309 * element-wise power | |
| 1310 * accumarray | |
| 1311 * cellfun | |
| 1312 * isnan | |
| 1313 * isinf | |
| 1314 * isfinite | |
| 1315 * nchoosek | |
| 1316 * repmat | |
| 1317 * strcmp | |
| 1318 | |
| 8737 | 1319 ** 64-bit integer arithmetic. |
| 1320 | |
| 1321 Arithmetic with 64-bit integers (int64 and uint64 types) is fully | |
| 1322 supported, with saturation semantics like the other integer types. | |
| 1323 Performance of most integer arithmetic operations has been | |
| 1324 improved by using integer arithmetic directly. Previously, Octave | |
| 1325 performed integer math with saturation semantics by converting the | |
| 1326 operands to double precision, performing the operation, and then | |
| 1327 converting the result back to an integer value, truncating if | |
| 1328 necessary. | |
| 1329 | |
| 8885 | 1330 ** Diagonal and permutation matrices. |
| 1331 | |
| 1332 The interpreter can now treat diagonal and permutation matrices as | |
| 1333 special objects that store only the non-zero elements, rather than | |
| 1334 general full matrices. Therefore, it is now possible to construct | |
| 1335 and use these matrices in linear algebra without suffering a | |
| 1336 performance penalty due to storing large numbers of zero elements. | |
| 1337 | |
| 1338 ** Improvements to fsolve. | |
| 1339 | |
| 1340 The fsolve function now accepts an option structure argument (see | |
| 1341 also the optimset function). The INFO values returned from fsolve | |
| 1342 have changed to be compatible with Matlab's fsolve function. | |
| 1343 Additionally, fsolve is now able to solve overdetermined systems, | |
| 1344 complex-differentiable complex systems, systems with a sparse | |
| 1345 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
|
1346 inputs. It can also be called recursively. |
| 8885 | 1347 |
| 8737 | 1348 ** Improvements to the norm function. |
| 1349 | |
| 1350 The norm function is now able to compute row or column norms of a | |
| 1351 matrix in a single call, as well as general matrix p-norms. | |
| 1352 | |
| 1353 ** New functions for computing some eigenvalues or singular values. | |
| 1354 | |
| 1355 The eigs and svds functions have been included in Octave. These | |
| 1356 functions require the ARPACK library (now distributed under a | |
| 1357 GPL-compatible license). | |
| 1358 | |
| 1359 ** 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
|
1360 |
| 8737 | 1361 choldelete cholshift qrdelete qrshift |
| 1362 cholinsert cholupdate qrinsert qrupdate | |
| 1363 | |
| 1364 ** New quadrature functions. | |
| 1365 | |
| 1366 dblquad quadgk quadv triplequad | |
| 1367 | |
| 8885 | 1368 ** New functions for reading and writing images. |
| 1369 | |
| 1370 The imwrite and imread functions have been included in Octave. | |
| 1371 These functions require the GraphicsMagick library. The new | |
| 1372 function imfinfo provides information about an image file (size, | |
| 1373 type, colors, etc.) | |
| 1374 | |
|
9215
1500d0197484
allow multiple input event hook functions to be installed simultaneously
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1375 ** 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
|
1376 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
|
1377 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
|
1378 |
| 8737 | 1379 ** Other miscellaneous new functions. |
|
8370
34960ba08a81
document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents:
8292
diff
changeset
|
1380 |
|
8932
2d0f8692a82e
Add the 'histc' function
Soren Hauberg <hauberg@gmail.com>
parents:
8888
diff
changeset
|
1381 addtodate hypot reallog |
|
2d0f8692a82e
Add the 'histc' function
Soren Hauberg <hauberg@gmail.com>
parents:
8888
diff
changeset
|
1382 bicgstab idivide realpow |
| 9006 | 1383 cellslices info realsqrt |
| 1384 cgs interp1q rectint | |
| 1385 command_line_path isdebugmode regexptranslate | |
| 1386 contrast isfloat restoredefaultpath | |
| 1387 convn isstrprop roundb | |
| 1388 cummin log1p rundemos | |
| 1389 cummax lsqnonneg runlength | |
| 1390 datetick matlabroot saveobj | |
| 1391 display namelengthmax spaugment | |
| 1392 expm1 nargoutchk strchr | |
| 1393 filemarker pathdef strvcat | |
| 1394 fstat perl subspace | |
| 1395 full prctile symvar | |
| 1396 fzero quantile treelayout | |
| 1397 genvarname re_read_readline_init_file validatestring | |
| 1398 histc | |
|
8370
34960ba08a81
document more new features in the NEWS file
Jaroslav Hajek <highegg@gmail.com>
parents:
8292
diff
changeset
|
1399 |
| 8885 | 1400 ** Changes to strcat. |
| 1401 | |
| 1402 The strcat function is now compatible with Matlab's strcat | |
| 1403 function, which removes trailing whitespace when concatenating | |
| 1404 character strings. For example | |
| 1405 | |
| 1406 strcat ('foo ', 'bar') | |
| 1407 ==> 'foobar' | |
| 1408 | |
| 1409 The new function cstrcat provides the previous behavior of | |
| 1410 Octave's strcat. | |
| 1411 | |
| 1412 ** Improvements to the help functions. | |
| 1413 | |
|
9034
52515efc50c0
Documentation cleanup on NEWS file
Rik <rdrider0-list@yahoo.com>
parents:
9031
diff
changeset
|
1414 The help system has been mostly re-implemented in .m files to make |
| 8885 | 1415 it easier to modify. Performance of the lookfor function has been |
| 1416 greatly improved by caching the help text from all functions that | |
| 1417 are distributed with Octave. The pkg function has been modified | |
| 1418 to generate cache files for external packages when they are | |
| 1419 installed. | |
| 1420 | |
|
8888
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1421 ** Deprecated functions. |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1422 |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1423 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
|
1424 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
|
1425 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
|
1426 |
|
11112
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1427 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
|
1428 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
|
1429 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
|
1430 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
|
1431 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
|
1432 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
|
1433 binomial_pdf intersection polyinteg |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1434 binomial_rnd is_bool setstr |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1435 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
|
1436 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
|
1437 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
|
1438 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
|
1439 clearplot is_square t_pdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1440 clg is_stream t_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1441 com2str is_struct uniform_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1442 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
|
1443 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
|
1444 exponential_pdf isstr uniform_rnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1445 exponential_rnd lognormal_cdf weibcdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1446 f_cdf lognormal_inv weibinv |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1447 f_inv lognormal_pdf weibpdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1448 f_pdf lognormal_rnd weibrnd |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1449 f_rnd meshdom weibull_cdf |
|
8ea4cf59c41b
list deprecated and removed functions in NEWS file
John W. Eaton <jwe@octave.org>
parents:
11111
diff
changeset
|
1450 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
|
1451 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
|
1452 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
|
1453 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
|
1454 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
|
1455 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
|
1456 |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1457 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
|
1458 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
|
1459 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
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|
1460 |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1461 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
|
1462 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
|
1463 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
|
1464 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
|
1465 lchol spdiag spsum |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1466 loadimage spfind spsumsq |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1467 mark_as_command spinv str2mat |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1468 mark_as_rawcommand spkron unmark_command |
|
0c7b0049c023
mark create_set as deprecated in 3.2, not 3.0
John W. Eaton <jwe@octave.org>
parents:
8885
diff
changeset
|
1469 spatan2 splchol unmark_rawcommand |
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0c7b0049c023
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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1470 spchol split |
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0c7b0049c023
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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1471 spchol2inv splu |
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0c7b0049c023
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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1472 |
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7990
86dae6e5b83c
Initial update of NEWS for 3.2 release
David Bateman <dbateman@free.fr>
parents:
7279
diff
changeset
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1473 See NEWS.3 for old news. |
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17600
e89f6dcb37f0
* NEWS: Surround contents with <pre></pre>
John W. Eaton <jwe@octave.org>
parents:
17571
diff
changeset
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1474 </pre> |