4>

<p>None, except for those imposed by the requirements of <a href=
"expression.htm#vector_expression">Vector Expression</a> .</p>

<h4>Public base classes</h4>

<p><code>vector_expression&lt;matrix_row&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_row (matrix_type &amp;data, size_type
i)</code></td>
<td>Constructs a sub vector.</td>
</tr>

<tr>
<td><code>size_type size () const</code></td>
<td>Returns the size