<?xml version='1.0'?>
<html xmlns='http://www.w3.org/1999/xhtml'
      xmlns:math='http://www.w3.org/1998/Math/MathML'
>
<head>
<title>Source: mat_sum_sq</title>
<meta name="description" id="description" content="Source: mat_sum_sq"/>
<meta name="keywords" id="keywords" content=" mat_sum_sq source "/>
<style type='text/css'>
body { color : black }
body { background-color : white }
A:link { color : blue }
A:visited { color : purple }
A:active { color : purple }
</style>
<script type='text/javascript' language='JavaScript' src='_mat_sum_sq.hpp_xml.js'>
</script>
</head>
<body>
<table><tr>
<td>
<a href="http://www.coin-or.org/CppAD/" target="_top"><img border="0" src="_image.gif"/></a>
</td>
<td><a href="mat_sum_sq.cpp.xml" target="_top">Prev</a>
</td><td><a href="ode_evaluate.xml" target="_top">Next</a>
</td><td>
<select onchange='choose_across0(this)'>
<option>Index-&gt;</option>
<option>contents</option>
<option>reference</option>
<option>index</option>
<option>search</option>
<option>external</option>
</select>
</td>
<td>
<select onchange='choose_up0(this)'>
<option>Up-&gt;</option>
<option>CppAD</option>
<option>speed</option>
<option>speed_utility</option>
<option>mat_sum_sq</option>
<option>mat_sum_sq.hpp</option>
</select>
</td>
<td>
<select onchange='choose_down3(this)'>
<option>speed-&gt;</option>
<option>speed_main</option>
<option>speed_utility</option>
<option>speed_double</option>
<option>speed_adolc</option>
<option>speed_cppad</option>
<option>speed_fadbad</option>
<option>speed_sacado</option>
</select>
</td>
<td>
<select onchange='choose_down2(this)'>
<option>speed_utility-&gt;</option>
<option>det_by_lu</option>
<option>det_of_minor</option>
<option>det_by_minor</option>
<option>det_33</option>
<option>det_grad_33</option>
<option>mat_sum_sq</option>
<option>ode_evaluate</option>
<option>sparse_jac_fun</option>
<option>sparse_hes_fun</option>
<option>uniform_01</option>
</select>
</td>
<td>
<select onchange='choose_down1(this)'>
<option>mat_sum_sq-&gt;</option>
<option>mat_sum_sq.cpp</option>
<option>mat_sum_sq.hpp</option>
</select>
</td>
<td>mat_sum_sq.hpp</td>
<td>Headings</td>
</tr></table><br/>



<center><b><big><big>Source: mat_sum_sq</big></big></b></center>
<code><font color="blue"># ifndef CPPAD_MAT_SUM_SQ_INCLUDED 
<code><span style='white-space: nowrap'><br/>
</span></code># define CPPAD_MAT_SUM_SQ_INCLUDED 

<pre style='display:inline'> 
# include &lt;cstddef&gt;
//
namespace CppAD {
	template &lt;class Vector&gt;
	void mat_sum_sq(size_t n, Vector&amp; x , Vector&amp; y , Vector&amp; z)
	{	size_t i, j, k;
		// Very simple computation of y = x * x for speed comparison
		for(i = 0; i &lt; n; i++)
		{	for(j = 0; j &lt; n; j++)
			{	y[i * n + j] = 0.;
				for(k = 0; k &lt; n; k++)
					y[i * n + j] += x[i * n + k] * x[k * n + j];
			}
		}
		z[0] = 0.;
		for(i = 0; i &lt; n; i++)
		{	for(j = 0; j &lt; n; j++)
				z[0] += y[i * n + j];
		}
		return;
	}

}
</pre>


# endif
</font></code>


<hr/>Input File: omh/mat_sum_sq_hpp.omh

</body>
</html>
