>Multiple indexes with vectors and matrices</h2>
<p>Multiple indexes can be supplied to vectors and matrices as well as arrays of vectors and matrices.</p>
<section id="vectors" class="level3 unnumbered">
<h3 class="unnumbered anchored" data-anchor-id="vectors">Vectors</h3>
<p>Vectors and row vectors behave exactly the same way as arrays with multiple indexes. If <code>v</code> is a vector, then <code>v[3]</code> is a scalar real value, whereas <code>v[2:4]</code> is a vector of size 3 containing the elemen