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<p>&nbsp;<p>
<hr noshade size="5">
<h2><a name="MatTrace"></a>
MatTrace
</h2>

Computes the trace of a matrix.

<p><p>

<h3>
Syntax:
</h3>
<pre>t := MatTrace(M);</pre>

<p>

<table>
<tr>
<td>element of the ring the matrix elements come from</td>
<td><pre>  t  </pre></td>
<td></td>
</tr>
<tr>
<td>matrix</td>
<td><pre>  M  </pre></td>
<td></td>
</tr>
</table>

<p>


<h3>
Description:
</h3>
<i>no detailed description available yet</i>

<p><p>

<p>
<hr>
<p>
<h3>
Example:
</h3>
Compute the trace of the integer matrix
\left(\begin{array}{cc} 1 & 1 2 & 2 \end{array}right). 
<pre>

kash> M := Mat(Z,[[1,1],[2,2]]);
[1 1]
[2 2]
kash> MatTrace(M);
> 3

</pre>

<p>


<hr>

<p>
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