 positive ordered, and
simplex vectors. An array of matrices has two more dimensions than
the array and an array of vectors or row vectors has one more
dimension than the array. Note that the number of indices can be less
than the number of dimensions of the variable, meaning that the right
hand side must itself be multidimensional to match the remaining
dimensions.</p>
</div>
<div id="multiple-indexes" class="section level3">
<h3 class="unnumbered" number="">Multiple Indexes</h3>
<p>Multiple indexes, as de