Mercurial > web-octave
annotate NEWS-2.html @ 146:403bf6acf18a
Add screenshot of Octave 4.4.0 for later addition (bug #53432).
author | Kai T. Ohlhus <k.ohlhus@gmail.com> |
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date | Fri, 30 Mar 2018 19:31:04 +0200 |
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1 <!doctype html public "-//IETF//DTD HTML Strict//EN"> |
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2 <html> |
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3 <head> |
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4 <title> Changes in Octave version 2 </title> |
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5 </head> |
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6 |
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7 <body> |
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8 <h1> News for Octave Version 2 </h1> |
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9 <hr> |
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10 |
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11 <h2>Summary of changes for version 2.0.17</h2> |
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12 |
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13 <p>This will probably be the last release in the 2.0.x series. There are |
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14 a few bug fixes, but the major change is to print a message saying |
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15 that Octave 2.0.x cannot be compiled with gcc 3.0.x or gcc 2.96. If |
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16 you want to build Octave 2.0.x, you will need to use gcc 2.95.x. If |
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17 you want to use gcc 3.0.x or some later version, you should be using |
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18 the Octave 2.1.35 sources or a more recent version.</p> |
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19 |
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20 <h2>Summary of changes for version 2.0.16</h2> |
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21 |
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22 <p>This is primarily a bug-fixing release.</p> |
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23 |
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24 <h2>Summary of changes for version 2.0.15</h2> |
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25 |
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26 <p>This is primarily a bug-fixing release.</p> |
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27 |
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28 <ul> |
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29 <li>If you are using GNU Emacs 19.34 or earlier, you will need to add |
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30 the following code to your ~/.emacs file in order to use Emacs |
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31 Octave mode: |
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32 <pre> |
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33 ;; Set up the custom library. |
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34 ;; taken from http://www.dina.kvl.dk/~abraham/custom/ |
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35 (eval-and-compile |
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36 (condition-case () |
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37 (require 'custom) |
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38 (error nil)) |
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39 (if (and (featurep 'custom) (fboundp 'custom-declare-variable)) |
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40 nil ;; We've got what we needed |
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41 ;; We have the old custom-library, hack around it! |
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42 (defmacro defgroup (&rest args) |
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43 nil) |
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44 (defmacro defcustom (var value doc &rest args) |
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45 (` (defvar (, var) (, value) (, doc)))))) |
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46 </pre></li> |
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47 </ul> |
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48 |
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49 <h2>Summary of changes for version 2.0.14</h2> |
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50 |
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51 This release fixes numerous bugs and adds the following new features: |
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52 |
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53 <ul> |
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54 <li>argv is now padded with blanks instead of ASCII NUL.</li> |
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55 |
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56 <li>New functions: |
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57 <dl> |
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58 <dt><b>besselh</b></dt> |
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59 Hankel functions of the first and second kind |
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60 <dt><b>airy</b></dt> |
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61 Airy functions of the first and second kind, and |
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62 their derivatives |
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63 </dl></li> |
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64 |
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65 <li>The Bessel functions now accept complex values for the argument |
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66 and any real value for the order.</li> |
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67 |
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68 <li>The value of LOADPATH set by the environment variable |
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69 OCTAVE_PATH, the -p or --path command line options, or on the |
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70 command line is no longer modified to include the default path. |
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71 Instead it is left as specified. Its default value is now ":", |
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72 which tells Octave to search the default path, and the new |
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73 built-in variable DEFAULT_LOADPATH contains the default list of |
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74 directories to search. </li> |
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75 |
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76 <li>The function file_in_path no longer does any special processing of |
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77 its PATH argument. To search LOADPATH for files, it is now |
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78 generally better to use the new function file_in_loadpath.</li> |
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79 |
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80 <li>If fread is given a skip parameter, the skip is performed after |
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81 the read instead of before (for compatibility with Matlab).</li> |
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82 |
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83 <li>The new built-in variable `crash_dumps_octave_core' controls |
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84 whether Octave writes user variables to the file `octave-core' |
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85 when it crashes or is killed by a signal. The default value is 1 |
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86 (0 if you use --traditional).</li> |
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87 |
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88 <li>If LOADPATH contains a doubled colon, the default path is inserted |
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89 in its place. This is similar to the substitution that also takes |
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90 place for leading or trailing colons in the LOADPATH.</li> |
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91 |
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92 <li>Loops of the form `for i = STRING ... endfor' are now allowed.</li> |
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93 |
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94 <li>It is now possible to set the iteration limit for lsode using |
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95 lsode_options ("step limit", N).</li> |
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96 |
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97 <li>New functions: |
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98 <dl> |
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99 <dt><b>is_complex</b></dt> |
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100 tell whether a value is complex |
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101 <dt><b>isnumeric</b></dt> |
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102 tell whether a value is a numeric object |
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103 <dt><b>isfinite</b></dt> |
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104 find finite elements of a matrix object |
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105 <dt><b>rehash</b></dt> |
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106 re-initialize the cache of directories in LOADPATH |
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107 <dt><b>graw</b></dt> |
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108 send a string to the gnuplot subprocess |
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109 </dl></li> |
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110 |
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111 <li>New functions from Kurt Hornik's Octave-ci package: |
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112 <ul> |
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113 <li>In finance (new directory): |
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114 <dl> |
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115 <dt><b>fv</b></dt> |
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116 <dd>future value of an investment</dd> |
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117 <dt><b>fvl</b></dt> |
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118 <dd>future value of an initial lump sum investment</dd> |
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119 <dt><b>irr</b></dt> |
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120 <dd>internal rate of return of an investment</dd> |
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121 <dt><b>nper</b></dt> |
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122 <dd>number of payments needed for amortizing a loan</dd> |
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123 <dt><b>npv</b></dt> |
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124 <dd>net present value of a series of payments</dd> |
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125 <dt><b>pmt</b></dt> |
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126 <dd>amount of periodic payment needed to amortize a loan</dd> |
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127 <dt><b>pv</b></dt> |
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128 <dd>present value of an investment</dd> |
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129 <dt><b>pvl</b></dt> |
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130 <dd>present value of an investment that pays off at the end</dd> |
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131 <dt><b>rate</b></dt> |
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132 <dd>rate of return of an investment</dd> |
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133 <dt><b>vol</b></dt> |
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134 <dd>volatility of financial time series data</dd> |
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135 </dl></li> |
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136 |
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137 <li>In linear-algebra: |
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138 <dl> |
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139 <dt><b>dmult</b></dt> |
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140 <dd>rescale the rows of a matrix</dd> |
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141 </dl></li> |
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142 |
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143 <li>In signal: |
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144 <dl> |
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145 <dt><b>arch_fit</b></dt> |
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146 <dd>fit an ARCH regression model</dd> |
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147 <dt><b>arch_rnd</b></dt> |
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148 <dd>simulate an ARCH process</dd> |
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149 <dt><b>arch_test</b></dt> |
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150 <dd>test for conditional heteroscedascity</dd> |
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151 <dt><b>arma_rnd</b></dt> |
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152 <dd>simulate an ARMA process</dd> |
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153 <dt><b>autocor</b></dt> |
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154 <dd>compute autocorrelations</dd> |
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155 <dt><b>autocov</b></dt> |
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156 <dd>compute autocovariances</dd> |
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157 <dt><b>autoreg_matrix</b></dt> |
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158 <dd>design matrix for autoregressions</dd> |
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159 <dt><b>bartlett</b></dt> |
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160 <dd>coefficients of the Bartlett (triangular) window</dd> |
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161 <dt><b>blackman</b></dt> |
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162 <dd>coefficients of the Blackman window</dd> |
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163 <dt><b>diffpara</b></dt> |
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164 <dd>estimate the fractional differencing parameter</dd> |
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165 <dt><b>durbinlevinson</b></dt> |
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166 <dd>perform one step of the Durbin-Levinson algorithm</dd> |
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167 <dt><b>fractdiff</b></dt> |
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168 <dd>compute fractional differences</dd> |
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169 <dt><b>hamming</b></dt> |
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170 <dd>coefficients of the Hamming window</dd> |
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171 <dt><b>hanning</b></dt> |
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172 <dd>coefficients of the Hanning window</dd> |
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173 <dt><b>hurst</b></dt> |
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174 <dd>estimate the Hurst parameter</dd> |
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175 <dt><b>periodogram</b></dt> |
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176 <dd>compute the periodogram</dd> |
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177 <dt><b>rectangle_lw</b></dt> |
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178 <dd>rectangular lag window</dd> |
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179 <dt><b>rectangle_sw</b></dt> |
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180 <dd>rectangular spectral window</dd> |
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181 <dt><b>sinetone</b></dt> |
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182 <dd>compute a sine tone</dd> |
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183 <dt><b>sinewave</b></dt> |
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184 <dd>compute a sine wave</dd> |
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185 <dt><b>spectral_adf</b></dt> |
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186 <dd>spectral density estimation</dd> |
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187 <dt><b>spectral_xdf</b></dt> |
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188 <dd>spectral density estimation</dd> |
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189 <dt><b>spencer</b></dt> |
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190 <dd>apply Spencer's 15-point MA filter</dd> |
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191 <dt><b>stft</b></dt> |
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192 <dd>short-term Fourier transform</dd> |
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193 <dt><b>synthesis</b></dt> |
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194 <dd>recover a signal from its short-term Fourier transform</dd> |
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195 <dt><b>triangle_lw</b></dt> |
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196 <dd>triangular lag window</dd> |
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197 <dt><b>triangle_sw</b></dt> |
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198 <dd>triangular spectral window</dd> |
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199 <dt><b>yulewalker</b></dt> |
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200 <dd>fit AR model by Yule-Walker method</dd> |
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201 </dl></li> |
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202 |
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203 <li>In statistics/base (new directory): |
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204 <dl> |
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205 <dt><b>center</b></dt> |
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206 <dd>center by subtracting means</dd> |
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207 <dt><b>cloglog</b></dt> |
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208 <dd>complementary log-log function</dd> |
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209 <dt><b>cor</b></dt> |
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210 <dd>compute correlations</dd> |
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211 <dt><b>cov</b></dt> |
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212 <dd>compute covariances</dd> |
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213 <dt><b>cut</b></dt> |
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214 <dd>cut data into intervals</dd> |
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215 <dt><b>iqr</b></dt> |
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216 <dd>interquartile range</dd> |
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217 <dt><b>kendall</b></dt> |
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218 <dd>kendall's rank correlation tau</dd> |
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219 <dt><b>logit</b></dt> |
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220 <dd>logit transformation</dd> |
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221 <dt><b>mean</b></dt> |
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222 <dd>compute arithmetic, geometric, and harmonic mean</dd> |
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223 <dt><b>meansq</b></dt> |
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224 <dd>compute mean square</dd> |
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225 <dt><b>moment</b></dt> |
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226 <dd>compute moments</dd> |
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227 <dt><b>ppplot</b></dt> |
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228 <dd>perform a PP-plot (probability plot)</dd> |
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229 <dt><b>probit</b></dt> |
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230 <dd>probit transformation</dd> |
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231 <dt><b>qqplot</b></dt> |
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232 <dd>perform a QQ-plot (quantile plot)</dd> |
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233 <dt><b>range</b></dt> |
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234 <dd>compute range</dd> |
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235 <dt><b>ranks</b></dt> |
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236 <dd>compute ranks</dd> |
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237 <dt><b>run_count</b></dt> |
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238 <dd>count upward runs</dd> |
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239 <dt><b>spearman</b></dt> |
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240 <dd>spearman's rank correlation rho</dd> |
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241 <dt><b>statistics</b></dt> |
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242 <dd>compute basic statistics</dd> |
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243 <dt><b>studentize</b></dt> |
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244 <dd>subtract mean and divide by standard deviation</dd> |
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245 <dt><b>table</b></dt> |
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246 <dd>cross tabulation</dd> |
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247 <dt><b>values</b></dt> |
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248 <dd>extract unique elements</dd> |
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249 <dt><b>var</b></dt> |
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250 <dd>compute variance</dd> |
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251 </dl></li> |
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252 |
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253 <li>In statistics/distributions (new directory): |
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254 <dl> |
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255 <dt><b>beta_cdf</b></dt> |
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256 <dd>CDF of the Beta distribution</dd> |
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257 <dt><b>beta_inv</b></dt> |
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258 <dd>Quantile function of the Beta distribution</dd> |
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259 <dt><b>beta_pdf</b></dt> |
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260 <dd>PDF of the Beta distribution</dd> |
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261 <dt><b>beta_rnd</b></dt> |
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262 <dd>Random deviates from the Beta distribution |
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263 </dd> |
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264 <dt><b>binomial_cdf</b></dt> |
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265 <dd>CDF of the binomial distribution</dd> |
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266 <dt><b>binomial_inv</b></dt> |
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267 <dd>Quantile function of the binomial distribution</dd> |
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268 <dt><b>binomial_pdf</b></dt> |
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269 <dd>PDF of the binomial distribution</dd> |
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270 <dt><b>binomial_rnd</b></dt> |
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271 <dd>Random deviates from the binomial distribution |
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272 </dd> |
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273 <dt><b>cauchy_cdf</b></dt> |
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274 <dd>CDF of the Cauchy distribution</dd> |
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275 <dt><b>cauchy_inv</b></dt> |
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276 <dd>Quantile function of the Cauchy distribution</dd> |
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277 <dt><b>cauchy_pdf</b></dt> |
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278 <dd>PDF of the Cauchy distribution</dd> |
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279 <dt><b>cauchy_rnd</b></dt> |
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280 <dd>Random deviates from the Cauchy distribution |
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281 </dd> |
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282 <dt><b>chisquare_cdf</b></dt> |
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283 <dd>CDF of the chi-square distribution</dd> |
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284 <dt><b>chisquare_inv</b></dt> |
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285 <dd>Quantile function of the chi-square distribution</dd> |
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286 <dt><b>chisquare_pdf</b></dt> |
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287 <dd>PDF of the chi-sqaure distribution</dd> |
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288 <dt><b>chisquare_rnd</b></dt> |
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289 <dd>Random deviates from the chi-square distribution |
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290 </dd> |
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291 <dt><b>discrete_cdf</b></dt> |
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292 <dd>CDF of a discrete distribution</dd> |
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293 <dt><b>discrete_inv</b></dt> |
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294 <dd>Quantile function of a discrete distribution</dd> |
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295 <dt><b>discrete_pdf</b></dt> |
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296 <dd>PDF of a discrete distribution</dd> |
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297 <dt><b>discrete_rnd</b></dt> |
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298 <dd>Random deviates from a discrete distribution |
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299 </dd> |
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300 <dt><b>empirical_cdf</b></dt> |
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301 <dd>CDF of the empirical distribution</dd> |
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302 <dt><b>empirical_inv</b></dt> |
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303 <dd>Quantile function of the empirical distribution</dd> |
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304 <dt><b>empirical_pdf</b></dt> |
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305 <dd>PDF of the empirical distribution</dd> |
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306 <dt><b>empirical_rnd</b></dt> |
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307 <dd>Bootstrap samples from the empirical distribution |
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308 </dd> |
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309 <dt><b>exponential_cdf</b></dt> |
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310 <dd>CDF of the exponential distribution</dd> |
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311 <dt><b>exponential_inv</b></dt> |
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312 <dd>Quantile function of the exponential distribution</dd> |
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313 <dt><b>exponential_pdf</b></dt> |
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314 <dd>PDF of the exponential distribution</dd> |
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315 <dt><b>exponential_rnd</b></dt> |
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316 <dd>Random deviates from the exponential distribution |
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317 </dd> |
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318 <dt><b>f_cdf</b></dt> |
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319 <dd>CDF of the F distribution</dd> |
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320 <dt><b>f_inv</b></dt> |
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321 <dd>Quantile function of the F distribution</dd> |
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322 <dt><b>f_pdf</b></dt> |
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323 <dd>PDF of the F distribution</dd> |
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324 <dt><b>f_rnd</b></dt> |
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325 <dd>Random deviates from the F distribution |
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326 </dd> |
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327 <dt><b>gamma_cdf</b></dt> |
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328 <dd>CDF of the Gamma distribution</dd> |
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329 <dt><b>gamma_inv</b></dt> |
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330 <dd>Quantile function of the Gamma distribution</dd> |
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331 <dt><b>gamma_pdf</b></dt> |
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332 <dd>PDF of the Gamma distribution</dd> |
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333 <dt><b>gamma_rnd</b></dt> |
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334 <dd>Random deviates from the Gamma distribution |
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335 </dd> |
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336 <dt><b>geometric_cdf</b></dt> |
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337 <dd>CDF of the geometric distribution</dd> |
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338 <dt><b>geometric_inv</b></dt> |
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339 <dd>Quantile function of the geometric distribution</dd> |
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340 <dt><b>geometric_pdf</b></dt> |
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341 <dd>PDF of the geometric distribution</dd> |
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342 <dt><b>geometric_rnd</b></dt> |
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343 <dd>Random deviates from the geometric distribution |
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344 </dd> |
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345 <dt><b>hypergeometric_cdf</b></dt> |
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346 <dd>CDF of the hypergeometric distribution</dd> |
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347 <dt><b>hypergeometric_inv</b></dt> |
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348 <dd>Random deviates from hypergeometric distribution</dd> |
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349 <dt><b>hypergeometric_pdf</b></dt> |
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350 <dd>PDF of the hypergeometric distribution</dd> |
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351 <dt><b>hypergeometric_rnd</b></dt> |
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352 <dd>Random deviates from hypergeometric distribution |
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353 </dd> |
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354 <dt><b>kolmogorov_smirnov_cdf</b></dt> |
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355 <dd>CDF of the Kolmogorov-Smirnov distribution |
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356 </dd> |
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357 <dt><b>laplace_cdf</b></dt> |
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358 <dd>CDF of the Laplace distribution</dd> |
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359 <dt><b>laplace_inv</b></dt> |
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360 <dd>Quantile function of the Laplace distribution</dd> |
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361 <dt><b>laplace_pdf</b></dt> |
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362 <dd>PDF of the Laplace distribution</dd> |
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363 <dt><b>laplace_rnd</b></dt> |
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364 <dd>Random deviates from the Laplace distribution |
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365 </dd> |
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366 <dt><b>logistic_cdf</b></dt> |
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367 <dd>CDF of the logistic distribution</dd> |
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368 <dt><b>logistic_inv</b></dt> |
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369 <dd>Quantile function of the logistic distribution</dd> |
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370 <dt><b>logistic_pdf</b></dt> |
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371 <dd>PDF of the logistic distribution</dd> |
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372 <dt><b>logistic_rnd</b></dt> |
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373 <dd>Random deviates from the logistic distribution |
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374 </dd> |
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375 <dt><b>lognormal_cdf</b></dt> |
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376 <dd>CDF of the log normal distribution</dd> |
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377 <dt><b>lognormal_inv</b></dt> |
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378 <dd>Quantile function of the log normal distribution</dd> |
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379 <dt><b>lognormal_pdf</b></dt> |
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380 <dd>PDF of the log normal distribution</dd> |
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381 <dt><b>lognormal_rnd</b></dt> |
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382 <dd>Random deviates from the log normal distribution |
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383 </dd> |
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384 <dt><b>normal_cdf</b></dt> |
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385 <dd>CDF of the normal distribution</dd> |
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386 <dt><b>normal_inv</b></dt> |
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387 <dd>Quantile function of the normal distribution</dd> |
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388 <dt><b>normal_pdf</b></dt> |
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389 <dd>PDF of the normal distribution</dd> |
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390 <dt><b>normal_rnd</b></dt> |
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391 <dd>Random deviates from the normal distribution |
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392 </dd> |
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393 <dt><b>pascal_cdf</b></dt> |
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394 <dd>CDF of the Pascal (negative binomial) distribution</dd> |
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395 <dt><b>pascal_inv</b></dt> |
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396 <dd>Quantile function of the Pascal distribution</dd> |
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397 <dt><b>pascal_pdf</b></dt> |
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398 <dd>PDF of the Pascal (negative binomial) distribution</dd> |
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399 <dt><b>pascal_rnd</b></dt> |
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400 <dd>Random deviates from the Pascal distribution |
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401 </dd> |
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402 <dt><b>poisson_cdf</b></dt> |
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403 <dd>CDF of the Poisson distribution</dd> |
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404 <dt><b>poisson_inv</b></dt> |
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405 <dd>Quantile function of the Poisson distribution</dd> |
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406 <dt><b>poisson_pdf</b></dt> |
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407 <dd>PDF of the Poisson distribution</dd> |
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408 <dt><b>poisson_rnd</b></dt> |
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409 <dd>Random deviates from the Poisson distribution |
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410 </dd> |
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411 <dt><b>stdnormal_cdf</b></dt> |
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412 <dd>CDF of the standard normal distribution</dd> |
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413 <dt><b>stdnormal_inv</b></dt> |
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414 <dd>Quantile function of standard normal distribution</dd> |
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415 <dt><b>stdnormal_pdf</b></dt> |
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416 <dd>PDF of the standard normal distribution</dd> |
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417 <dt><b>stdnormal_rnd</b></dt> |
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418 <dd>Random deviates from standard normal distribution |
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419 </dd> |
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420 <dt><b>t_cdf</b></dt> |
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421 <dd>CDF of the t distribution</dd> |
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422 <dt><b>t_inv</b></dt> |
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423 <dd>Quantile function of the t distribution</dd> |
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424 <dt><b>t_pdf</b></dt> |
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425 <dd>PDF of the t distribution</dd> |
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426 <dt><b>t_rnd</b></dt> |
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427 <dd>Random deviates from the t distribution |
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428 </dd> |
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429 <dt><b>uniform_cdf</b></dt> |
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430 <dd>CDF of the uniform distribution</dd> |
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431 <dt><b>uniform_inv</b></dt> |
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432 <dd>Quantile function of the uniform distribution</dd> |
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433 <dt><b>uniform_pdf</b></dt> |
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434 <dd>PDF of the uniform distribution</dd> |
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435 <dt><b>uniform_rnd</b></dt> |
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436 <dd>Random deviates from the uniform distribution |
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437 </dd> |
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438 <dt><b>weibull_cdf</b></dt> |
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439 <dd>CDF of the Weibull distribution</dd> |
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440 <dt><b>weibull_inv</b></dt> |
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441 <dd>Quantile function of the Weibull distribution</dd> |
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442 <dt><b>weibull_pdf</b></dt> |
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443 <dd>PDF of the Weibull distribution</dd> |
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444 <dt><b>weibull_rnd</b></dt> |
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445 <dd>Random deviates from the Weibull distribution |
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446 </dd> |
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447 <dt><b>wiener_rnd</b></dt> |
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448 <dd>Simulate a Wiener process</dd> |
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449 </dl></li> |
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450 |
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451 <li>In statistics/models (new directory): |
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452 <dl> |
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453 <dt><b>logistic_regression</b></dt> |
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454 <dd>ordinal logistic regression</dd> |
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455 <dt><b>logistic_regression_derivatives</b></dt> |
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456 <dd>derivates of log-likelihood |
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457 in logistic regression</dd> |
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458 <dt><b>logistic_regression_likelihood</b></dt> |
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459 <dd>likelihood in logistic regression</dd> |
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460 </dl></li> |
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461 |
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462 <li>In statistics/tests (new directory): |
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463 <dl> |
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464 <dt><b>anova</b></dt> |
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465 <dd>one-way analysis of variance</dd> |
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466 <dt><b>bartlett_test</b></dt> |
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467 <dd>bartlett test for homogeneity of variances</dd> |
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468 <dt><b>chisquare_test_homogeneity</b></dt> |
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469 <dd>chi-square test for homogeneity</dd> |
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470 <dt><b>chisquare_test_independence</b></dt> |
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471 <dd>chi-square test for independence</dd> |
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472 <dt><b>cor_test</b></dt> |
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473 <dd>test for zero correlation</dd> |
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474 <dt><b>f_test_regression</b></dt> |
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475 <dd>test linear hypotheses in linear |
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476 regression model</dd> |
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477 <dt><b>hotelling_test</b></dt> |
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478 <dd>test for mean of a multivariate normal</dd> |
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479 <dt><b>hotelling_test_2</b></dt> |
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480 <dd>compare means of two multivariate normals</dd> |
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481 <dt><b>kolmogorov_smirnov_test</b></dt> |
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482 <dd>one-sample Kolmogorov-Smirnov test</dd> |
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483 <dt><b>kolmogorov_smirnov_test_2</b></dt> |
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484 <dd>two-sample Kolmogorov-Smirnov test</dd> |
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485 <dt><b>kruskal_wallis_test</b></dt> |
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486 <dd>kruskal-Wallis test</dd> |
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487 <dt><b>manova</b></dt> |
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488 <dd>one-way multivariate analysis of variance</dd> |
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489 <dt><b>mcnemar_test</b></dt> |
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490 <dd>mcnemar's test for symmetry</dd> |
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491 <dt><b>prop_test_2</b></dt> |
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492 <dd>compare two proportions</dd> |
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493 <dt><b>run_test</b></dt> |
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494 <dd>run test for independence</dd> |
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495 <dt><b>sign_test</b></dt> |
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496 <dd>sign test</dd> |
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497 <dt><b>t_test</b></dt> |
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498 <dd>student's one-sample t test </dd> |
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499 <dt><b>t_test_2</b></dt> |
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500 <dd>student's two-sample t test</dd> |
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501 <dt><b>t_test_regression</b></dt> |
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502 <dd>test one linear hypothesis in linear |
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503 regression model</dd> |
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504 <dt><b>u_test</b></dt> |
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505 <dd>mann-Whitney U-test</dd> |
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506 <dt><b>var_test</b></dt> |
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507 <dd>f test to compare two variances</dd> |
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508 <dt><b>welch_test</b></dt> |
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509 <dd>welch two-sample t test</dd> |
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510 <dt><b>wilcoxon_test</b></dt> |
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511 <dd>wilcoxon signed-rank test</dd> |
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512 <dt><b>z_test</b></dt> |
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513 <dd>test for mean of a normal sample with |
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514 known variance</dd> |
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515 <dt><b>z_test_2</b></dt> |
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516 <dd>compare means of two normal samples with |
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517 known variances</dd> |
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518 </dl></li> |
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519 </ul></li> |
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520 |
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521 <li>The save command now accepts the option -append to save the |
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522 variables at the end of the file, leaving the existing contents.</li> |
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523 |
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524 <li>New command-line option --no-history (also available using the |
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525 single character option -H) inhibits saving command history.</li> |
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526 |
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527 <li>The mkoctfile script now accepts -DDEF options and passes them on |
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528 to the C and C++ compilers.</li> |
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529 </ul |
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530 > |
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531 <h2>Summary of changes for version 2.0.13</h2> |
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532 |
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533 <p>This is a bug-fixing release. There are no new user-visible features.</p> |
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534 |
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535 <h2>Summary of changes for version 2.0.12</h2> |
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536 |
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537 <ul> |
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538 <li>Tilde expansion is once again performed on the directories listed |
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539 in the LOADPATH variable.</li> |
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540 |
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541 <li>gplot now supports the `axes' qualifier that is new with gnuplot |
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542 3.6beta.</li> |
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543 |
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544 <li>Timestamps on .m and .oct files are now only checked if a prompt |
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545 has been printed since the last timestamp check.</li> |
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546 |
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547 <li>Octave now prints a warning if a .m or .oct file has a time stamp |
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548 in the future.</li> |
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549 |
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550 <li>For matrices, x(:) now works no matter what the value of |
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551 do_fortran_indexing is.</li> |
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552 |
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553 <li>New keywords __FILE__ and __LINE__ expand to the name of the file |
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554 that is being read and the current input line number, respectively.</li> |
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555 |
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556 <li>The GNU Info reader is no longer distributed with Octave because |
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557 current releases of GNU Info now support all the features needed |
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558 by Octave. If your copy of GNU Info doesn't support the |
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559 --index-search option, you should install a newer version of GNU |
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560 Info, which is distributed as part of the GNU Texinfo package.</li> |
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561 |
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562 <li>Running `make check' should work now before you run `make install', |
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563 even if you build a copy of Octave that depends on shared versions |
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564 of the Octave libraries.</li> |
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565 |
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566 <li>Octave now uses kpathsea 3.2.</li> |
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567 |
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568 <li>The new built-in variable `kluge_procbuf_delay' specifies the number |
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569 of microseconds to delay in the parent process after forking. By |
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570 default on gnu-win32 systems, it's set to 500000 (1/2 second). On |
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571 other systems, the default value is 0. Delaying for a short time |
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572 in the parent after forking seems to avoid problems in which |
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573 communicating with subprocesses via pipes would sometimes cause |
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574 Octave to hang. I doubt that the delay is really the right |
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575 solution. If anyone has a better idea, I'd love to hear it.</li> |
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576 </ul> |
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577 |
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578 <h2>Summary of changes for version 2.0.11</h2> |
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579 |
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580 <ul> |
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581 <li>There are two new built-in variables that control how global |
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582 variables are initialized. If `initialize_global_variables' is |
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583 nonzero, global variables are initialized to the value of the |
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584 variable `default_global_variable_value'. The default value of |
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585 `initialize_global_variables' is 0 (1 if you use --traditional) |
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586 and `default_global_variable_value' is undefined (the empty matrix |
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587 if you use --traditional). The default settings are compatible |
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588 with versions of Octave before 2.0.10.</li> |
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589 </ul> |
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590 |
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591 <h2>Summary of changes for version 2.0.10</h2> |
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592 |
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593 <ul> |
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594 <li>The built-in variable `PWD' has been removed. If you need to get |
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595 the value of the current working directory, use the pwd() function |
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596 instead.</li> |
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597 <li>For compatibility with Matlab, Octave's lyap function now solves |
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598 <pre> |
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599 A*X + X*A' + C = 0 |
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600 </pre> |
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601 instead of |
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602 <pre> |
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603 A'*X + X*A + C = 0 |
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604 </pre> |
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605 To try to avoid confusion for people who are used to the way |
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606 Octave behaved in previous versions, a warning is printed the |
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607 first time lyap is called in a given session. To completely |
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608 disable the warning, simply add |
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609 <pre> |
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610 global __disable_lyap_interface_change_warning__; |
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611 </pre> |
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612 to your ~/.octaverc file. The warning will eventually disappear |
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613 for good in some future version of Octave.</li> |
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614 <li>New built-in functions for computing Bessel functions: |
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615 besseli, besselj, besselk, and bessely.</li> |
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616 <li>The gammai and betai functions are now implemented as built-in |
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617 functions rather than function files.</li> |
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618 <li>The new built-in variable `implicit_num_to_str_ok' controls |
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619 whether Octave converts expressions like `[97, 98, 99, "123"]' to |
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620 strings. The default value is 0 unless you use --traditional.</li> |
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621 <li>The new built-in variable `fixed_point_format' controls whether |
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622 Octave uses a scaled fixed-point format for displaying matrices. |
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623 The default value is 0 unless you use --traditional.</li> |
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624 <li>The function sumsq now computes sum (x .* conj (x)) for complex values.</li> |
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625 <li>Dynamically linked functions can be cleared.</li> |
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626 <li>If a .oct file has a time stamp more recent than the time that it |
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627 was loaded, it is automatically reloaded. Reloading a .oct file |
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628 may cause several functions to be cleared automatically. By |
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629 default, a warning is printed that lists the names of the |
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630 functions that will be cleared. You can suppress the message by |
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631 setting the new built-in variable `warn_reload_forces_clear' to 0.</li> |
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632 <li>Global variables are now initialized to the empty matrix, for |
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633 compatibility with Matlab.</li> |
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634 <li>Explicit initialization of global variables only happens once. |
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635 For example, after the following statements are evaluated, g still |
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636 has the value 1. |
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637 <pre> |
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638 global g = 1 |
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639 global g = 2 |
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640 </pre> |
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641 This is useful for initializing global variables that are used to |
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642 maintain state information that is shared among several functions.</li> |
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643 <li>The new built-in variable max_recursion_depth allows you to |
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644 prevent Octave from attempting infinite recursion. The default |
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645 value is 256.</li> |
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646 <li>Octave now uses readline version 2.1 and kpathsea 3.0.</li> |
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647 <li>The libreadline and libkpathsea libraries are no longer installed.</li> |
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648 <li>The libcruft, liboctave, and liboctinterp libraries are now |
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649 installed in $libdir/octave instead of just $libdir.</li> |
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650 <li>It's no longer necessary to have libg++, but you do need to have |
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651 the GNU implementation of libstdc++. If you are using gcc 2.7.2, |
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652 libstdc++ is distributed as part of libg++ 2.7.2. For later |
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653 versions, libstdc++ is distributed separately. For egcs, |
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654 libstdc++ is included with the compiler distribution.</li> |
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655 </ul> |
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656 |
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657 <h2>Summary of changes for version 2.0.9</h2> |
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658 |
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659 <p>This is a bug-fixing release, but there is one new user-visible |
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660 feature:</p> |
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661 |
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662 <ul> |
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663 <li>It is now possible to specify a label for lines in the plot key |
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664 when using the plot function. For example, |
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665 <pre> |
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666 plot (x, y, "-*;sin(x);") |
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667 </pre> |
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668 plots y vs. x using the linespoints style and sets the title of |
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669 the line in the key to be `sin(x)'</li> |
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670 </ul> |
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671 |
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672 <h2>Summary of changes for version 2.0.8</h2> |
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673 |
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674 <p>This is a bug-fixing release. There are only a few new user-visible |
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675 features.</p> |
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676 |
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677 <ul> |
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678 <li>If the argument to eig() is symmetric, Octave uses the specialized |
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679 Lapack subroutine for symmetric matrices for a significant |
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680 increase in performance.</li> |
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681 <li>It is now possible to use the mkoctfile script to create .oct |
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682 files from multiple source and object files.</li> |
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683 </ul> |
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684 |
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685 <h2>Summary of changes for version 2.0.7</h2> |
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686 |
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687 <p>This is a bug-fixing release. There are no new user-visible features.</p> |
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688 |
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689 <h2>Summary of changes for version 2.0.6</h2> |
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690 |
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691 <p>This is primarily a bug-fixing release. There are only a few new |
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692 user-visilbe features.</p> |
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693 |
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694 <ul> |
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695 <li>The new built-in variable default_eval_print_flag controls whether |
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696 Octave prints the results of commands executed by eval() that do |
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697 not end with semicolons. The default is 1.</li> |
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698 <li>The new built-in constant OCTAVE_HOME specifies the top-level |
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699 directory where Octave is installed.</li> |
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700 <li>Octave no longer includes functions to work with NPSOL or QPSOL, |
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701 because they are not free software.</li> |
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702 </ul> |
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703 |
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704 <h2>Summary of changes for version 2.0.5</h2> |
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705 |
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706 <ul> |
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707 <li>A `switch' statement is now available. See the Statements chapter |
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708 in the manual for details.</li> |
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709 <li>Commands like ls, save, and cd may now also be used as formal |
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710 parameters for functions.</li> |
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711 <li>More tests.</li> |
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712 </ul> |
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713 |
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714 <h2>Summary of changes for version 2.0.4</h2> |
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715 |
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716 <ul> |
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717 <li>It is now possible to use commands like ls, save, and cd as simple |
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718 variable names. They still cannot be used as formal parameters |
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719 for functions, or as the names of structure variables. Failed |
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720 assignments leave them undefined (you can recover the orginal |
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721 function definition using clear).</li> |
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722 <li>Is is now possible to invoke commands like ls, save, and cd as |
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723 normal functions (for example, load ("foo", "x", "y", "z")).</li> |
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724 </ul> |
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725 |
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726 <h2>Summary of changes for version 2.0.3</h2> |
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727 |
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728 <ul> |
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729 <li>The manual has been completely revised and now corresponds much |
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730 more closely to the features of the current version.</li> |
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731 <li>The return value for assignment expressions is now the RHS since |
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732 that is more consistent with the way other programming languages |
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733 work. However, Octave still prints the entire LHS value so that |
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734 <pre> |
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735 x = zeros (1, 2); |
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736 x(2) = 1 |
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737 </pre> |
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738 still prints |
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739 <pre> |
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740 x = |
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741 |
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742 0 1 |
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743 |
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744 </pre> |
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745 but an assignment like |
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|
746 <pre> |
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747 z = x(2) = 1 |
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748 </pre> |
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749 sets z to 1 (not [ 0, 1 ] as in previous versions of Octave).</li> |
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750 <li>It is now much easier to make binary distributions. See the |
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751 Binary Distributions section of the manual for more details.</li> |
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752 </ul> |
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753 |
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754 <h2>Summary of changes for version 2.0.2</h2> |
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755 |
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756 <ul></li> |
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757 <li>Octave now stops executing commands from a script file if an error |
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758 is encountered.</li> |
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759 <li>The return, and break commands now cause Octave to quit executing |
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760 commands from script files. When used in invalid contexts, the |
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761 break, continue, and return commands are now simply ignored |
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762 instead of producing parse errors.</li> |
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763 <li>size ("") is now [0, 0].</li> |
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764 <li>New functions: |
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765 <dl> |
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766 <dt><b>sleep</b></dt> |
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767 <dd>pause execution for a specified number of seconds</dd> |
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768 <dt><b>usleep</b></dt> |
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769 <dd>pause execution for a specified number of microseconds</dd> |
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770 </dl></li> |
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771 </ul> |
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772 </pre> |
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773 |
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774 <h2>Summary of changes for version 2.0.1</h2> |
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775 |
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776 <p>Other than bug fixes, there were no user-visible changes in version |
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777 2.0.1. |
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778 |
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779 <h2>Summary of changes for version 2.0</h2> |
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780 |
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781 <p><ul> |
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782 <li>The set and show commands for setting and displaying gnuplot |
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783 parameters have been replaced by gset and gshow. This change will |
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784 probably break lots of things, but it is necessary to allow for |
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785 compatibility with the Matlab graphics and GUI commands in a |
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786 future version of Octave. (For now, the old set and show commands |
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787 do work, but they print an annoying warning message to try to get |
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788 people to switch to using gset.)</li> |
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789 <li>Octave has been mostly ported to Windows NT and Windows 95 using |
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790 the beta 17 release of the Cygnus GNU-WIN32 tools. Not everything |
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791 works, but it is usable. See the file README.WINDOWS for more |
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792 information.</li> |
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793 <li>Dynamic linking works on more systems using dlopen() and friends |
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794 (most modern Unix systems) or shl_load() and friends (HP/UX |
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795 systems). A simple example is provided in examples/hello.cc. |
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796 For this feature to work, you must configure Octave with |
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797 --enable-shared. You may also need to have a shared-library |
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798 version of libg++ and libstdc++.</li> |
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799 <li>New data types can be added to Octave by writing a C++ class. On |
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800 systems that support dynamic linking, new data types can be added |
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801 to an already running Octave binary. A simple example appears in |
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802 the file examples/make_int.cc. Other examples are the standard |
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803 Octave data types defined in the files src/ov*.{h,cc} and |
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804 src/op-*.cc.</li> |
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805 <li>The configure option --enable-bounds-check turns on bounds |
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806 checking on element references for Octave's internal array and |
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807 matrix classes. It's enabled by default. To disable this |
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808 feature, configure Octave with --disable-bounds-check.</li> |
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809 <li>The C-style I/O functions (fopen, fprintf, etc.) have been |
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810 rewritten to be more compatible with Matlab. The fputs function |
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811 has also been added. Usage of the *printf functions that was |
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812 allowed in previous versions of Octave should still work. |
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813 However, there is no way to make the new versions of the *scanf |
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814 functions compatible with Matlab *and* previous versions of |
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815 Octave. An optional argument to the *scanf functions is now |
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816 available to make them behave in a way that is compatible with |
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817 previous versions of Octave.</li> |
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818 <li>Octave can now read files that contain columns of numbers only, |
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819 with no header information. The name of the loaded variable is |
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820 constructed from the file name. Each line in the file must have |
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821 the same number of elements.</li> |
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822 <li>The interface to the pager has changed. The new built-in variable |
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823 `page_output_immediately' controls when Octave sends output to the |
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824 pager. If it is nonzero, Octave sends output to the pager as soon |
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825 as it is available. Otherwise, Octave buffers its output and |
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826 waits until just before the prompt is printed to flush it to the |
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827 pager.</li> |
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828 <li>Expressions of the form |
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829 <pre> |
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830 A(i,j) = x |
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831 </pre> |
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832 where X is a scalar and the indices i and j define a matrix of |
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833 elements now work as you would expect rather than giving an error. |
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834 I am told that this is how Matlab 5.0 will behave when it is |
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835 released.</li> |
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836 <li>Indexing of character strings now works.</li> |
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837 <li>The echo command has been implemented.</li> |
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838 <li>The document command is now a regular function.</li> |
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839 <li>New method for handling errors: |
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840 <pre> |
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841 try |
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842 BODY |
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843 catch |
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844 CLEANUP |
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845 end_try_catch |
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846 </pre> |
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847 Where BODY and CLEANUP are both optional and may contain any |
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848 Octave expressions or commands. The statements in CLEANUP are |
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849 only executed if an error occurs in BODY. |
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850 |
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851 <p> No warnings or error messages are printed while BODY is |
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852 executing. If an error does occur during the execution of BODY, |
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853 CLEANUP can access the text of the message that would have been |
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854 printed in the builtin constant __error_text__. This is the same |
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855 as eval (TRY, CATCH) (which may now also use __error_text__) but |
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856 it is more efficient since the commands do not need to be parsed |
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857 each time the TRY and CATCH statements are evaluated.</li> |
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858 <li>Octave no longer parses the help command by grabbing everything |
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859 after the keyword `help' until a newline character is read. To |
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860 get help for `;' or `,', now, you need to use the command |
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861 `help semicolon' or `help comma'.</li> |
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862 <li>Octave's parser now does some simple constant folding. This means |
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863 that expressions like 3*i are now evaluated only once, when a |
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864 function is compiled, and the right hand side of expressions like |
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865 a = [1,2;3,4] are treated as true matrix constants rather than |
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866 lists of elements which must be evaluated each time they are |
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867 needed.</li> |
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868 <li>Built-in variables that can take values of "true" and "false" can |
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869 now also be set to any nonzero scalar value to indicate "true", |
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870 and 0 to indicate "false".</li> |
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871 <li>New built-in variables `history_file', `history_size', and |
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872 `saving_history'.</li> |
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873 <li>New built-in variable `string_fill_char' specifies the character |
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874 to fill with when creating arrays of strings.</li> |
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875 <li>If the new built-in variable `gnuplot_has_frames' is nonzero, |
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876 Octave assumes that your copy of gnuplot includes support for |
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877 multiple plot windows when using X11. |
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878 |
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879 If the new built-in variable `gnuplot_has_multiplot' is nonzero, |
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880 Octave assumes that your copy of gnuplot has the multiplot support |
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881 that is included in recent 3.6beta releases. |
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882 |
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883 The initial values of these variables are determined by configure, |
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884 but can be changed in your startup script or at the command line |
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885 in case configure got it wrong, or if you upgrade your gnuplot |
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886 installation.</li> |
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887 <li>The new plot function `figure' allows multiple plot windows when |
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888 using newer versions of gnuplot with X11.</li> |
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889 <li>Octave now notices when the plotter has exited unexpectedly.</li> |
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890 <li>New built-in variable `warn_missing_semicolon'. If nonzero, Octave |
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891 will warn when statements in function definitions don't end in |
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892 semicolons. The default value is 0.</li> |
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893 <li>Octave now attempts to continue after floating point exceptions |
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894 or out-of-memory errors.</li> |
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895 <li>If Octave crashes, it now attempts to save all user-defined |
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896 variables in a file named `octave-core' in the current directory |
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897 before exiting.</li> |
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898 <li>It is now possible to get the values of individual option settings |
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899 for the dassl, fsolve, lsode, npsol, qpsol, and quad functions |
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900 using commands like |
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901 <pre> |
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902 dassl_reltol = dassl_options ("relative tolerance"); |
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903 </pre></li> |
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904 <li>The svd() function no longer computes the left and right singular |
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905 matrices unnecessarily. This can significantly improve |
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906 performance for large matrices if you are just looking for the |
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907 singular values.</li> |
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908 <li>The filter() function is now a built-in function.</li> |
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909 <li>New function randn() returns a pseudo-random number from a normal |
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910 distribution. The rand() and randn() functions have separate |
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911 seeds and generators.</li> |
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912 <li>Octave's command-line arguments are now available in the built-in |
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913 variable `argv'. The program name is also available in the |
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914 variables `program_invocation_name' and `program_name'. If |
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915 executing a script from the command line (e.g., octave foo.m) or |
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916 using the `#! /bin/octave' hack, the program name is set to the |
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917 name of the script.</li> |
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918 <li>New built-in variable `completion_append_char' used as the |
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919 character to append to successful command-line completion |
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920 attempts. The default is " " (a single space).</li> |
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921 <li>Octave now uses a modified copy of the readline library from |
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922 version 1.14.5 of GNU bash.</li> |
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923 <li>In prompt strings, `\H' expands to the whole host name.</li> |
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924 <li>New built-in variable `beep_on_error'. If nonzero, Octave will try |
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925 to ring your terminal's bell before printing an error message. |
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926 The default value is 0.</li> |
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927 <li>For functions defined from files, the type command now prints the |
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928 text of the file. You can still get the text reconstructed from |
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929 the parse tree by using the new option -t (-transformed).</li> |
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930 <li>New command-line argument --traditional sets the following |
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931 preference variables for compatibility with Matlab: |
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932 <pre> |
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933 PS1 = ">> " |
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934 PS2 = "" |
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935 beep_on_error = 1 |
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936 default_save_format = "mat-binary" |
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937 define_all_return_values = 1 |
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938 do_fortran_indexing = 1 |
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939 empty_list_elements_ok = 1 |
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940 implicit_str_to_num_ok = 1 |
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941 ok_to_lose_imaginary_part = 1 |
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942 page_screen_output = 0 |
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943 prefer_column_vectors = 0 |
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944 prefer_zero_one_indexing = 1 |
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945 print_empty_dimensions = 0 |
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946 treat_neg_dim_as_zero = 1 |
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947 warn_function_name_clash = 0 |
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948 whitespace_in_literal_matrix = "traditional" |
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949 </pre></li> |
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950 <li>New functions: |
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951 <dl> |
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952 <dt><b>readdir</b></dt> |
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953 <dd>returns names of files in directory as array of strings</dd> |
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954 <dt><b>mkdir</b></dt> |
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955 <dd>create a directory</dd> |
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956 <dt><b>rmdir</b></dt> |
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957 <dd>remove a directory</dd> |
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958 <dt><b>rename</b></dt> |
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959 <dd>rename a file</dd> |
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960 <dt><b>unlink</b></dt> |
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961 <dd>delete a file</dd> |
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962 <dt><b>umask</b></dt> |
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963 <dd>set permission mask for file creation</dd> |
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964 <dt><b>stat</b></dt> |
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965 <dd>get information about a file</dd> |
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966 <dt><b>lstat</b></dt> |
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967 <dd>get information about a symbolic link</dd> |
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968 <dt><b>glob</b></dt> |
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969 <dd>perform filename globbing</dd> |
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970 <dt><b>fnmatch</b></dt> |
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971 <dd>match strings with filename globbing patterns</dd> |
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972 <dt><b>more</b></dt> |
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973 <dd>turn the pager on or off</dd> |
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974 <dt><b>gammaln</b></dt> |
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975 <dd>alias for lgamma</dd> |
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976 </dl></li> |
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977 <li>New audio functions from Andreas Weingessel: |
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978 <dl> |
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979 <dt><b>lin2mu</b></dt> |
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980 <dd>linear to mu-law encoding</dd> |
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981 <dt><b>loadaudio</b></dt> |
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982 <dd>load an audio file to a vector</dd> |
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983 <dt><b>mu2lin</b></dt> |
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984 <dd>mu-law to linear encoding</dd> |
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985 <dt><b>playaudio</b></dt> |
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986 <dd>play an audio file</dd> |
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987 <dt><b>record</b></dt> |
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988 <dd>record sound and store in vector</dd> |
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989 <dt><b>saveaudio</b></dt> |
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990 <dd>save a vector as an audio file</dd> |
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991 <dt><b>setaudio</b></dt> |
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992 <dd>executes mixer shell command</dd> |
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993 </dl></li> |
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994 <li>New plotting functions from Vinayak Dutt. Ones dealing with |
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995 multiple plots on one page require features from gnuplot 3.6beta |
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996 (or later). |
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997 <dl> |
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998 <dt><b>bottom_title</b></dt> |
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999 <dd>put title at the bottom of the plot</dd> |
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1000 <dt><b>mplot</b></dt> |
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1001 <dd>multiplot version of plot</dd> |
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1002 <dt><b>multiplot</b></dt> |
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1003 <dd>switch multiple-plot mode on or off</dd> |
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1004 <dt><b>oneplot</b></dt> |
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1005 <dd>return to one plot per page</dd> |
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1006 <dt><b>plot_border</b></dt> |
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1007 <dd>put a border around plots</dd> |
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1008 <dt><b>subplot</b></dt> |
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1009 <dd>position multiple plots on a single page</dd> |
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1010 <dt><b>subwindow</b></dt> |
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1011 <dd>set subwindow position for next plot</dd> |
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1012 <dt><b>top_title</b></dt> |
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1013 <dd>put title at the top of the plot</dd> |
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1014 <dt><b>zlabel</b></dt> |
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1015 <dd>put a label on the z-axis</dd> |
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1016 </dl></li> |
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1017 <li>New string functions |
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1018 <dl> |
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1019 <dt><b>bin2dec</b></dt> |
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1020 <dd>convert a string of ones and zeros to an integer</dd> |
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1021 <dt><b>blanks</b></dt> |
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1022 <dd>create a string of blanks</dd> |
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1023 <dt><b>deblank</b></dt> |
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1024 <dd>delete trailing blanks</dd> |
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1025 <dt><b>dec2bin</b></dt> |
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1026 <dd>convert an integer to a string of ones and zeros</dd> |
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1027 <dt><b>dec2hex</b></dt> |
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1028 <dd>convert an integer to a hexadecimal string</dd> |
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1029 <dt><b>findstr</b></dt> |
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1030 <dd>locate occurrences of one string in another</dd> |
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1031 <dt><b>hex2dec</b></dt> |
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|
1032 <dd>convert a hexadecimal string to an integer</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1033 <dt><b>index</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1034 <dd>return position of first occurrence a string in another</dd> |
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Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1035 <dt><b>rindex</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1036 <dd>return position of last occurrence a string in another</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1037 <dt><b>split</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1038 <dd>divide one string into pieces separated by another</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1039 <dt><b>str2mat</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1040 <dd>create a string matrix from a list of strings</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1041 <dt><b>strrep</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1042 <dd>replace substrings in a string</dd> |
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Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1043 <dt><b>substr</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1044 <dd>extract a substring</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1045 </dl> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1046 <p> The following functions return a matrix of ones and zeros. |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1047 Elements that are nonzero indicate that the condition was true for |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1048 the corresponding character in the string array. |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1049 <dl> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1050 <dt><b>isalnum</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1051 <dd>letter or a digit</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1052 <dt><b>isalpha</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1053 <dd>letter</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1054 <dt><b>isascii</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1055 <dd>ascii</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1056 <dt><b>iscntrl</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1057 <dd>control character</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1058 <dt><b>isdigit</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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1059 <dd>digit</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1060 <dt><b>isgraph</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1061 <dd>printable (but not space character)</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1062 <dt><b>islower</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1063 <dd>lower case</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1064 <dt><b>isprint</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1065 <dd>printable (including space character)</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1066 <dt><b>ispunct</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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1067 <dd>punctuation</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1068 <dt><b>isspace</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1069 <dd>whitespace</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1070 <dt><b>isupper</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1071 <dd>upper case</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1072 <dt><b>isxdigit</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1073 <dd>hexadecimal digit</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1074 </dl> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1075 <p> These functions return new strings. |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1076 <dl> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1077 <dt><b>tolower</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1078 <dd>convert to lower case</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1079 <dt><b>toupper</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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1080 <dd>convert to upper case</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1081 </dl></li> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1082 <li>New function, fgetl. Both fgetl and fgets accept an optional |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1083 second argument that specifies a maximum number of characters to |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1084 read, and the function fgets is now compatible with Matlab.</li> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1085 <li>Printing in hexadecimal format now works (format hex). It is also |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1086 possible to print the internal bit representation of a value |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1087 (format bit). Note that these formats are only implemented for |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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|
1088 numeric values.</li> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1089 <li>Additional structure features: |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1090 <ul> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1091 <li>Name completion now works for structures.</li> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1092 <li>Values and names of structure elements are now printed by |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1093 default. The new built-in variable `struct_levels_to_print' |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1094 controls the depth of nested structures to print. The default |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1095 value is 2.</li> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1096 <li>New functions: |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1097 <dl> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1098 <dt><b>struct_contains (S, NAME)</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1099 <dd>returns 1 if S is a structure with element NAME; otherwise returns 0.</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1100 <dt><b>struct_elements (S)</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1101 <dd>returns the names of all elements of structure S in an array of |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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1102 strings.</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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1103 </dl></li> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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|
1104 </ul></li> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1105 <li>New io/subprocess functions: |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1106 <dl> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1107 <dt><b>fputs</b></dt> |
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1108 <dd>write a string to a file with no formatting</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1109 <dt><b>popen2</b></dt> |
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parents:
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|
1110 <dd>start a subprocess with 2-way communication</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1111 <dt><b>mkfifo</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1112 <dd>create a FIFO special file</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1113 <dt><b>popen</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1114 <dd>open a pipe to a subprocess</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1115 <dt><b>pclose</b></dt> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1116 <dd>close a pipe from a subprocess</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1117 <dt><b>waitpid</b></dt> |
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1118 <dd>check the status of or wait for subprocesses</dd> |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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1119 </dl></li> |
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|
1120 <li>New time functions: |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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|
1121 <dl> |
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|
1122 <dt><b>asctime</b></dt> |
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1123 <dd>format time structure according to local format</dd> |
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1124 <dt><b>ctime</b></dt> |
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1125 <dd>equivalent to `asctime (localtime (TMSTRUCT))'</dd> |
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1126 <dt><b>gmtime</b></dt> |
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1127 <dd>return time structure corresponding to UTC</dd> |
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1128 <dt><b>localtime</b></dt> |
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1129 <dd>return time structure corresponding to local time zone</dd> |
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parents:
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1130 <dt><b>strftime</b></dt> |
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1131 <dd>print given time structure using specified format</dd> |
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1132 <dt><b>time</b></dt> |
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1133 <dd>return current time</dd> |
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1134 </dl> |
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1135 <p> The `clock' and `date' functions are now implemented in M-files |
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1136 using these basic functions.</li> |
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1137 <li>Access to additional Unix system calls: |
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1138 <dl> |
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1139 <dt><b>dup2</b></dt> |
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1140 <dd>duplicate a file descriptor</dd> |
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1141 <dt><b>exec</b></dt> |
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1142 <dd>replace current process with a new process</dd> |
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parents:
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1143 <dt><b>fcntl</b></dt> |
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1144 <dd>control open file descriptors</dd> |
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1145 <dt><b>fork</b></dt> |
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parents:
diff
changeset
|
1146 <dd>create a copy of the current process</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1147 <dt><b>getpgrp</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1148 <dd>return the process group id of the current process</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1149 <dt><b>getpid</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1150 <dd>return the process id of the current process</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1151 <dt><b>getppid</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1152 <dd>return the process id of the parent process</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1153 <dt><b>getuid</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1154 <dd>return the real user id of the current process</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1155 <dt><b>getgid</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1156 <dd>return the real group id of the current process</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1157 <dt><b>geteuid</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1158 <dd>return the effective user id of the current process</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1159 <dt><b>getegid</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1160 <dd>return the effective group id of the current process</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1161 <dt><b>pipe</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1162 <dd>create an interprocess channel</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1163 </dl></li> |
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Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1164 <li>Other new functions: |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1165 <dl> |
e8fc61e077fc
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1166 <dt><b>commutation_matrix</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1167 <dd>compute special matrix form</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1168 <dt><b>duplication_matrix</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1169 <dd>compute special matrix form</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1170 <dt><b>common_size.m</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1171 <dd>bring arguments to a common size</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1172 <dt><b>completion_matches</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1173 <dd>perform command completion on string</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1174 <dt><b>tilde_expand</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1175 <dd>perform tilde expansion on string</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1176 <dt><b>meshgrid</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1177 <dd>compatible with Matlab's meshgrid function</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1178 <dt><b>tmpnam</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1179 <dd>replaces octave_tmp_file_name</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1180 <dt><b>atexit</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1181 <dd>register functions to be called when Octave exits</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1182 <dt><b>putenv</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1183 <dd>define an environment variable</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1184 <dt><b>bincoeff</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1185 <dd>compute binomial coefficients</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1186 <dt><b>nextpow2</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1187 <dd>compute the next power of 2 greater than a number</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1188 <dt><b>detrend</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1189 <dd>remove a best fit polynomial from data</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1190 <dt><b>erfinv</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1191 <dd>inverse error function</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1192 <dt><b>shift</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1193 <dd>perform a circular shift on the elements of a matrix</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1194 <dt><b>pow2</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1195 <dd>compute 2 .^ x</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1196 <dt><b>log2</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1197 <dd>compute base 2 logarithms</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1198 <dt><b>diff</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1199 <dd>compute differences of matrix elements</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1200 <dt><b>vech</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1201 <dd>stack columns of a matrix below the diagonal</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1202 <dt><b>vec</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1203 <dd>stack columns of a matrix to form a vector</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1204 <dt><b>xor</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1205 <dd>compute exclusive or</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1206 </dl></li> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1207 <li>Functions for getting info from the password database on Unix systems: |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1208 <dl> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1209 <dt><b>getpwent</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1210 <dd>read entry from password-file stream, opening if necessary</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1211 <dt><b>getpwuid</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1212 <dd>search for password entry with matching user ID</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1213 <dt><b>getpwnam</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1214 <dd>search for password entry with matching username</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1215 <dt><b>setpwent</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1216 <dd>rewind the password-file stream</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1217 <dt><b>endpwent</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1218 <dd>close the password-file stream</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1219 </dl></li> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1220 <li>Functions for getting info from the group database on Unix systems: |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1221 <dl> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1222 <dt><b>getgrent</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1223 <dd>read entry from group-file stream, opening if necessary</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1224 <dt><b>getgrgid</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1225 <dd>search for group entry with matching group ID</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1226 <dt><b>getgrnam</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1227 <dd>search for group entry with matching group name</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1228 <dt><b>setgrent</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1229 <dd>rewind the pgroup-file stream</dd> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1230 <dt><b>endgrent</b></dt> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1231 <dd>close the group-file stream</dd> |
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Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
changeset
|
1232 </dl></li> |
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Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1233 <li>The New function octave_config_info returns a structure containing |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1234 information about how Octave was configured and compiled.</li> |
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Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1235 <li>New function getrusage returns a structure containing system |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1236 resource usage statistics. The `cputime' function is now defined |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1237 in an M-file using getrusage.</li> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1238 <li>The info reader is now a separate binary that runs as a |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1239 subprocess. You still need the info reader distributed with |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1240 Octave though, because there are some new command-line arguments |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1241 that are not yet available in the public release of Info.</li> |
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Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1242 <li>There is a new built-in variable, INFO_PROGRAM, which is used as |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1243 the name of the info program to run. Its initial value is |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1244 $OCTAVE_HOME/lib/octave/VERSION/exec/ARCH/info, but that value can |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1245 be overridden by the environment variable OCTAVE_INFO_PROGRAM, or |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
diff
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|
1246 the command line argument --info-program NAME, or by setting the |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1247 value of INFO_PROGRAM in a startup script.</li> |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1248 <li>There is a new built-in variable, EXEC_PATH, which is used as |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1249 the list of directories to search when executing subprograms. Its |
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Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1250 initial value is taken from the environment variable |
e8fc61e077fc
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1251 OCTAVE_EXEC_PATH (if it exists) or PATH, but that value can be |
e8fc61e077fc
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1252 overridden by the the command line argument --exec-path PATH, or |
e8fc61e077fc
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1253 by setting the value of EXEC_PATH in a startup script. If the |
e8fc61e077fc
Merged closed branch "kai" into default.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1254 EXEC_PATH begins (ends) with a colon, the directories |
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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|
1255 $OCTAVE_HOME/lib/octave/VERSION/exec/ARCH and $OCTAVE_HOME/bin are |
e8fc61e077fc
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Kai T. Ohlhus <k.ohlhus@gmail.com>
parents:
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1256 prepended (appended) to EXEC_PATH (if you don't specify a value |
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1257 for EXEC_PATH explicitly, these special directories are prepended |
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1258 to your PATH).</li> |
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1259 <li>If it is present, Octave will now use an `ls-R' database file to |
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1260 speed up recursive path searching. Octave looks for a file called |
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1261 ls-R in the directory specified by the environment variable |
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1262 OCTAVE_DB_DIR. If that is not set but the environment variable |
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1263 OCTAVE_HOME is set, Octave looks in $OCTAVE_HOME/lib/octave. |
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1264 Otherwise, Octave looks in the directory $datadir/octave (normally |
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1265 /usr/local/lib/octave).</li> |
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1266 <li>New examples directory.</li> |
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1267 <li>There is a new script, mkoctfile, that can be used to create .oct |
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1268 files suitable for dynamic linking.</li> |
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1269 <li>Many more bug fixes.</li> |
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1270 <li>ChangeLogs are now kept in each subdirectory.</li></li> |
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1271 </ul> |
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1272 |
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1273 </body> |
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1274 </html> |