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  53. <h1 align="center">Source for file polyfit.php</h1>
  54. <p>Documentation is available at <a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html">polyfit.php</a></p>
  55. <div class="src-code">
  56. <ol><li><div class="src-line"><a name="a1"></a><span class="src-php">&lt;?php</span></div></li>
  57. <li><div class="src-line"><a name="a2"></a><span class="src-inc">require_once&nbsp;</span><span class="src-str">&quot;../Matrix.php&quot;</span><span class="src-sym">;</span></div></li>
  58. <li><div class="src-line"><a name="a3"></a><span class="src-comm">/*</span></div></li>
  59. <li><div class="src-line"><a name="a4"></a><span class="src-comm">*&nbsp;@package&nbsp;JAMA</span></div></li>
  60. <li><div class="src-line"><a name="a5"></a><span class="src-comm">*&nbsp;@author&nbsp;Michael&nbsp;Bommarito</span></div></li>
  61. <li><div class="src-line"><a name="a6"></a><span class="src-comm">*&nbsp;@author&nbsp;Paul&nbsp;Meagher</span></div></li>
  62. <li><div class="src-line"><a name="a7"></a><span class="src-comm">*&nbsp;@version&nbsp;0.1</span></div></li>
  63. <li><div class="src-line"><a name="a8"></a><span class="src-comm">*</span></div></li>
  64. <li><div class="src-line"><a name="a9"></a><span class="src-comm">*&nbsp;Function&nbsp;to&nbsp;fit&nbsp;an&nbsp;order&nbsp;n&nbsp;polynomial&nbsp;function&nbsp;through</span></div></li>
  65. <li><div class="src-line"><a name="a10"></a><span class="src-comm">*&nbsp;a&nbsp;series&nbsp;of&nbsp;x-y&nbsp;data&nbsp;points&nbsp;using&nbsp;least&nbsp;squares.</span></div></li>
  66. <li><div class="src-line"><a name="a11"></a><span class="src-comm">*</span></div></li>
  67. <li><div class="src-line"><a name="a12"></a><span class="src-comm">*&nbsp;@param&nbsp;$X&nbsp;array&nbsp;x&nbsp;values</span></div></li>
  68. <li><div class="src-line"><a name="a13"></a><span class="src-comm">*&nbsp;@param&nbsp;$Y&nbsp;array&nbsp;y&nbsp;values</span></div></li>
  69. <li><div class="src-line"><a name="a14"></a><span class="src-comm">*&nbsp;@param&nbsp;$n&nbsp;int&nbsp;order&nbsp;of&nbsp;polynomial&nbsp;to&nbsp;be&nbsp;used&nbsp;for&nbsp;fitting</span></div></li>
  70. <li><div class="src-line"><a name="a15"></a><span class="src-comm">*&nbsp;@returns&nbsp;array&nbsp;$coeffs&nbsp;of&nbsp;polynomial&nbsp;coefficients</span></div></li>
  71. <li><div class="src-line"><a name="a16"></a><span class="src-comm">*&nbsp;Pre-Conditions:&nbsp;the&nbsp;system&nbsp;is&nbsp;not&nbsp;underdetermined:&nbsp;sizeof($X)&nbsp;&gt;&nbsp;$n+1</span></div></li>
  72. <li><div class="src-line"><a name="a17"></a><span class="src-comm">*/</span></div></li>
  73. <li><div class="src-line"><a name="a18"></a><span class="src-key">function&nbsp;</span><a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html#functionpolyfit">polyfit</a><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">,&nbsp;</span><span class="src-var">$Y</span><span class="src-sym">,&nbsp;</span><span class="src-var">$n</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
  74. <li><div class="src-line"><a name="a19"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">for&nbsp;</span><span class="src-sym">(</span><span class="src-var">$i&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;&nbsp;</span><span class="src-var">$i&nbsp;</span>&lt;&nbsp;<a href="http://www.php.net/sizeof">sizeof</a><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">)</span><span class="src-sym">;&nbsp;</span>++<span class="src-var">$i</span><span class="src-sym">)</span></div></li>
  75. <li><div class="src-line"><a name="a20"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">for&nbsp;</span><span class="src-sym">(</span><span class="src-var">$j&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;&nbsp;</span><span class="src-var">$j&nbsp;</span>&lt;=&nbsp;<span class="src-var">$n</span><span class="src-sym">;&nbsp;</span>++<span class="src-var">$j</span><span class="src-sym">)</span></div></li>
  76. <li><div class="src-line"><a name="a21"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$A</span><span class="src-sym">[</span><span class="src-var">$i</span><span class="src-sym">]</span><span class="src-sym">[</span><span class="src-var">$j</span><span class="src-sym">]&nbsp;</span>=&nbsp;<a href="http://www.php.net/pow">pow</a><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">[</span><span class="src-var">$i</span><span class="src-sym">]</span><span class="src-sym">,&nbsp;</span><span class="src-var">$j</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  77. <li><div class="src-line"><a name="a22"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">for&nbsp;</span><span class="src-sym">(</span><span class="src-var">$i</span>=<span class="src-num">0</span><span class="src-sym">;&nbsp;</span><span class="src-var">$i&nbsp;</span>&lt;&nbsp;<a href="http://www.php.net/sizeof">sizeof</a><span class="src-sym">(</span><span class="src-var">$Y</span><span class="src-sym">)</span><span class="src-sym">;&nbsp;</span>++<span class="src-var">$i</span><span class="src-sym">)</span></div></li>
  78. <li><div class="src-line"><a name="a23"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$B</span><span class="src-sym">[</span><span class="src-var">$i</span><span class="src-sym">]&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-var">$Y</span><span class="src-sym">[</span><span class="src-var">$i</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  79. <li><div class="src-line"><a name="a24"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$matrixA&nbsp;</span>=&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../JAMA/Matrix.html">Matrix</a></span><span class="src-sym">(</span><span class="src-var">$A</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  80. <li><div class="src-line"><a name="a25"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$matrixB&nbsp;</span>=&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../JAMA/Matrix.html">Matrix</a></span><span class="src-sym">(</span><span class="src-var">$B</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  81. <li><div class="src-line"><a name="a26"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$C&nbsp;</span>=&nbsp;<span class="src-var">$matrixA</span><span class="src-sym">-&gt;</span><span class="src-id">solve</span><span class="src-sym">(</span><span class="src-var">$matrixB</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  82. <li><div class="src-line"><a name="a27"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$C</span><span class="src-sym">-&gt;</span><span class="src-id">getMatrix</span><span class="src-sym">(</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-var">$n</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  83. <li><div class="src-line"><a name="a28"></a><span class="src-sym">}</span></div></li>
  84. <li><div class="src-line"><a name="a29"></a>&nbsp;</div></li>
  85. <li><div class="src-line"><a name="a30"></a><span class="src-key">function&nbsp;</span><a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html#functionprintpoly">printpoly</a><span class="src-sym">(&nbsp;</span><span class="src-var">$C&nbsp;</span>=&nbsp;<span class="src-id">null&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
  86. <li><div class="src-line"><a name="a31"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">for</span><span class="src-sym">(</span><span class="src-var">$i&nbsp;</span>=&nbsp;<span class="src-var">$C</span><span class="src-sym">-&gt;</span><span class="src-id">m&nbsp;</span>-&nbsp;<span class="src-num">1</span><span class="src-sym">;&nbsp;</span><span class="src-var">$i&nbsp;</span>&gt;=&nbsp;<span class="src-num">0</span><span class="src-sym">;&nbsp;</span>--<span class="src-var">$i</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
  87. <li><div class="src-line"><a name="a32"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-var">$C</span><span class="src-sym">-&gt;</span><span class="src-id">get</span><span class="src-sym">(</span><span class="src-var">$i</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  88. <li><div class="src-line"><a name="a33"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(&nbsp;</span><a href="http://www.php.net/abs">abs</a><span class="src-sym">(</span><span class="src-var">$r</span><span class="src-sym">)&nbsp;</span>&lt;=&nbsp;<a href="http://www.php.net/pow">pow</a><span class="src-sym">(</span><span class="src-num">10</span><span class="src-sym">,&nbsp;</span>-<span class="src-num">9</span><span class="src-sym">)&nbsp;)</span></div></li>
  89. <li><div class="src-line"><a name="a34"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;</span></div></li>
  90. <li><div class="src-line"><a name="a35"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$i&nbsp;</span>==&nbsp;<span class="src-var">$C</span><span class="src-sym">-&gt;</span><span class="src-id">m&nbsp;</span>-&nbsp;<span class="src-num">1</span><span class="src-sym">)</span></div></li>
  91. <li><div class="src-line"><a name="a36"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;<span class="src-var">$r&nbsp;</span>.&nbsp;<span class="src-str">&quot;</span><span class="src-str">x&lt;sup&gt;<span class="src-var">$i</span>&lt;/sup&gt;</span><span class="src-str">&quot;</span><span class="src-sym">;</span></div></li>
  92. <li><div class="src-line"><a name="a37"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">else&nbsp;</span><span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$i&nbsp;</span>&lt;&nbsp;<span class="src-var">$C</span><span class="src-sym">-&gt;</span><span class="src-id">m&nbsp;</span>-&nbsp;<span class="src-num">1</span><span class="src-sym">)</span></div></li>
  93. <li><div class="src-line"><a name="a38"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;<span class="src-str">&quot;&nbsp;+&nbsp;&quot;&nbsp;</span>.&nbsp;<span class="src-var">$r&nbsp;</span>.&nbsp;<span class="src-str">&quot;</span><span class="src-str">x&lt;sup&gt;<span class="src-var">$i</span>&lt;/sup&gt;</span><span class="src-str">&quot;</span><span class="src-sym">;</span></div></li>
  94. <li><div class="src-line"><a name="a39"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">else&nbsp;</span><span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$i&nbsp;</span>==&nbsp;<span class="src-num">0</span><span class="src-sym">)</span></div></li>
  95. <li><div class="src-line"><a name="a40"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;<span class="src-str">&quot;&nbsp;+&nbsp;&quot;&nbsp;</span>.&nbsp;<span class="src-var">$r</span><span class="src-sym">;</span></div></li>
  96. <li><div class="src-line"><a name="a41"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
  97. <li><div class="src-line"><a name="a42"></a><span class="src-sym">}</span></div></li>
  98. <li><div class="src-line"><a name="a43"></a>&nbsp;</div></li>
  99. <li><div class="src-line"><a name="a44"></a><span class="src-var">$X&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">0</span><span class="src-sym">,</span><span class="src-num">1</span><span class="src-sym">,</span><span class="src-num">2</span><span class="src-sym">,</span><span class="src-num">3</span><span class="src-sym">,</span><span class="src-num">4</span><span class="src-sym">,</span><span class="src-num">5</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  100. <li><div class="src-line"><a name="a45"></a><span class="src-var">$Y&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">4</span><span class="src-sym">,</span><span class="src-num">3</span><span class="src-sym">,</span><span class="src-num">12</span><span class="src-sym">,</span><span class="src-num">67</span><span class="src-sym">,</span><span class="src-num">228</span><span class="src-sym">,&nbsp;</span><span class="src-num">579</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  101. <li><div class="src-line"><a name="a46"></a><span class="src-var">$points&nbsp;</span>=&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../JAMA/Matrix.html">Matrix</a></span><span class="src-sym">(</span><span class="src-key">array</span><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">,&nbsp;</span><span class="src-var">$Y</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
  102. <li><div class="src-line"><a name="a47"></a><span class="src-var">$points</span><span class="src-sym">-&gt;</span><span class="src-id">toHTML</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  103. <li><div class="src-line"><a name="a48"></a><a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html#functionprintpoly">printpoly</a><span class="src-sym">(</span><a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html#functionpolyfit">polyfit</a><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">,&nbsp;</span><span class="src-var">$Y</span><span class="src-sym">,&nbsp;</span><span class="src-num">4</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
  104. <li><div class="src-line"><a name="a49"></a>&nbsp;</div></li>
  105. <li><div class="src-line"><a name="a50"></a>echo&nbsp;<span class="src-str">'&lt;hr&nbsp;/&gt;'</span><span class="src-sym">;</span></div></li>
  106. <li><div class="src-line"><a name="a51"></a>&nbsp;</div></li>
  107. <li><div class="src-line"><a name="a52"></a><span class="src-var">$X&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">0</span><span class="src-sym">,</span><span class="src-num">1</span><span class="src-sym">,</span><span class="src-num">2</span><span class="src-sym">,</span><span class="src-num">3</span><span class="src-sym">,</span><span class="src-num">4</span><span class="src-sym">,</span><span class="src-num">5</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  108. <li><div class="src-line"><a name="a53"></a><span class="src-var">$Y&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">1</span><span class="src-sym">,</span><span class="src-num">2</span><span class="src-sym">,</span><span class="src-num">5</span><span class="src-sym">,</span><span class="src-num">10</span><span class="src-sym">,</span><span class="src-num">17</span><span class="src-sym">,&nbsp;</span><span class="src-num">26</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  109. <li><div class="src-line"><a name="a54"></a><span class="src-var">$points&nbsp;</span>=&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../JAMA/Matrix.html">Matrix</a></span><span class="src-sym">(</span><span class="src-key">array</span><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">,&nbsp;</span><span class="src-var">$Y</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
  110. <li><div class="src-line"><a name="a55"></a><span class="src-var">$points</span><span class="src-sym">-&gt;</span><span class="src-id">toHTML</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  111. <li><div class="src-line"><a name="a56"></a><a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html#functionprintpoly">printpoly</a><span class="src-sym">(</span><a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html#functionpolyfit">polyfit</a><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">,&nbsp;</span><span class="src-var">$Y</span><span class="src-sym">,&nbsp;</span><span class="src-num">2</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
  112. <li><div class="src-line"><a name="a57"></a>&nbsp;</div></li>
  113. <li><div class="src-line"><a name="a58"></a>echo&nbsp;<span class="src-str">'&lt;hr&nbsp;/&gt;'</span><span class="src-sym">;</span></div></li>
  114. <li><div class="src-line"><a name="a59"></a>&nbsp;</div></li>
  115. <li><div class="src-line"><a name="a60"></a><span class="src-var">$X&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">0</span><span class="src-sym">,</span><span class="src-num">1</span><span class="src-sym">,</span><span class="src-num">2</span><span class="src-sym">,</span><span class="src-num">3</span><span class="src-sym">,</span><span class="src-num">4</span><span class="src-sym">,</span><span class="src-num">5</span><span class="src-sym">,</span><span class="src-num">6</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  116. <li><div class="src-line"><a name="a61"></a><span class="src-var">$Y&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span>-<span class="src-num">90</span><span class="src-sym">,</span>-<span class="src-num">104</span><span class="src-sym">,</span>-<span class="src-num">178</span><span class="src-sym">,</span>-<span class="src-num">252</span><span class="src-sym">,</span>-<span class="src-num">26</span><span class="src-sym">,&nbsp;</span><span class="src-num">1160</span><span class="src-sym">,&nbsp;</span><span class="src-num">4446</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  117. <li><div class="src-line"><a name="a62"></a><span class="src-var">$points&nbsp;</span>=&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../JAMA/Matrix.html">Matrix</a></span><span class="src-sym">(</span><span class="src-key">array</span><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">,&nbsp;</span><span class="src-var">$Y</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
  118. <li><div class="src-line"><a name="a63"></a><span class="src-var">$points</span><span class="src-sym">-&gt;</span><span class="src-id">toHTML</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  119. <li><div class="src-line"><a name="a64"></a><a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html#functionprintpoly">printpoly</a><span class="src-sym">(</span><a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html#functionpolyfit">polyfit</a><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">,&nbsp;</span><span class="src-var">$Y</span><span class="src-sym">,&nbsp;</span><span class="src-num">5</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
  120. <li><div class="src-line"><a name="a65"></a>&nbsp;</div></li>
  121. <li><div class="src-line"><a name="a66"></a>echo&nbsp;<span class="src-str">'&lt;hr&nbsp;/&gt;'</span><span class="src-sym">;</span></div></li>
  122. <li><div class="src-line"><a name="a67"></a>&nbsp;</div></li>
  123. <li><div class="src-line"><a name="a68"></a><span class="src-var">$X&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">0</span><span class="src-sym">,</span><span class="src-num">1</span><span class="src-sym">,</span><span class="src-num">2</span><span class="src-sym">,</span><span class="src-num">3</span><span class="src-sym">,</span><span class="src-num">4</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  124. <li><div class="src-line"><a name="a69"></a><span class="src-var">$Y&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><a href="http://www.php.net/mt_rand">mt_rand</a><span class="src-sym">(</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-num">10</span><span class="src-sym">)</span><span class="src-sym">,&nbsp;</span><a href="http://www.php.net/mt_rand">mt_rand</a><span class="src-sym">(</span><span class="src-num">40</span><span class="src-sym">,&nbsp;</span><span class="src-num">80</span><span class="src-sym">)</span><span class="src-sym">,&nbsp;</span><a href="http://www.php.net/mt_rand">mt_rand</a><span class="src-sym">(</span><span class="src-num">240</span><span class="src-sym">,&nbsp;</span><span class="src-num">400</span><span class="src-sym">)</span><span class="src-sym">,&nbsp;</span><a href="http://www.php.net/mt_rand">mt_rand</a><span class="src-sym">(</span><span class="src-num">1800</span><span class="src-sym">,&nbsp;</span><span class="src-num">2215</span><span class="src-sym">)</span><span class="src-sym">,&nbsp;</span><a href="http://www.php.net/mt_rand">mt_rand</a><span class="src-sym">(</span><span class="src-num">8000</span><span class="src-sym">,&nbsp;</span><span class="src-num">9000</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
  125. <li><div class="src-line"><a name="a70"></a><span class="src-var">$points&nbsp;</span>=&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../JAMA/Matrix.html">Matrix</a></span><span class="src-sym">(</span><span class="src-key">array</span><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">,&nbsp;</span><span class="src-var">$Y</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
  126. <li><div class="src-line"><a name="a71"></a><span class="src-var">$points</span><span class="src-sym">-&gt;</span><span class="src-id">toHTML</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
  127. <li><div class="src-line"><a name="a72"></a><a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html#functionprintpoly">printpoly</a><span class="src-sym">(</span><a href="../PHPExcel/_PHPExcel---Shared---JAMA---examples---polyfit.php.html#functionpolyfit">polyfit</a><span class="src-sym">(</span><span class="src-var">$X</span><span class="src-sym">,&nbsp;</span><span class="src-var">$Y</span><span class="src-sym">,&nbsp;</span><span class="src-num">3</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
  128. <li><div class="src-line"><a name="a73"></a><span class="src-php">?&gt;</span></div></li>
  129. </ol>
  130. </div>
  131. <div class="credit">
  132. <hr />
  133. Documentation generated on Thu, 26 Aug 2010 17:44:02 +0200 by <a href="http://www.phpdoc.org">phpDocumentor 1.4.3</a>
  134. </div>
  135. </td></tr></table>
  136. </td>
  137. </tr>
  138. </table>
  139. </body>
  140. </html>