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

Returns the rank and an upper row echelon form of a matrix together
with a transformation matrix. If the echelon form cannot be computed
over the ring, it is computed over its field of fractions.

<p><p>

<h3>
Syntax:
</h3>
<pre>L := MatEchelon(M);</pre>

<p>

<table>
<tr>
<td>list</td>
<td><pre>  L  </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>


<hr>

<p>
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