or*=</code></strong><code>(matrix x, real y)</code><br>
<code>x *= y</code> is equivalent to <code>x = x * y</code>.</p>
<!-- void; operator*=; (row_vector x, matrix y); -->
<p></p>
<p><code>void</code> <strong><code>operator*=</code></strong><code>(row_vector x, matrix y)</code><br>
<code>x *= y</code> is equivalent to <code>x = x * y</code>.</p>
<!-- void; operator*=; (matrix x, matrix y); -->
<p></p>
<p><code>void</code> <strong><code>operator*=</code></strong><code>(matrix x, matrix y)</code><br>
<code>