pression">Matrix Expression</a> .</p>

<h4>Public base classes</h4>

<p><code>matrix_expression&lt;matrix_slice&lt;M&gt; &gt;</code></p>

<h4>Members</h4>

<table border="1">
<tbody>
<tr>
<th>Member</th>
<th>Description</th>
</tr>

<tr>
<td><code>matrix_slice (matrix_type &amp;data,<br>
 &nbsp;const slice &amp;s1, const slice &amp;s2)</code></td>
<td>Constructs a sub matrix.</td>
</tr>

<tr>
<td><code>size_type size1 () const</code></td>
<td>Returns the number of rows.</td>
</tr>

<tr>
<td><code>size_type s