X)</code> - projection of vector y on columns of matrix <strong>X</strong>
</li>
<li>
<code>mpower(A, p)</code> - matrix powers for a square symmetric matrix</li>
<li>
<code>xprod(...)</code> - vector cross-product</li>
</ul>
<ol start="2" style="list-style-type: decimal">
<li>
<strong>Determinants</strong>: functions for calculating determinants by cofactor expansion</li>
</ol>
<ul>
<li>
<code><a href="reference/minor.html">minor()</a></code> - Minor of A[i,j]</li>
<li>
<code><a href="reference/cofactor.ht