onal array, a contiguous sub-block of a two-dimensional array, and so on. Semantically, it is just a special form of multiple indexing.</p>
<section id="lower-and-upper-bound-indexes" class="level3 unnumbered">
<h3 class="unnumbered anchored" data-anchor-id="lower-and-upper-bound-indexes">Lower and upper bound indexes</h3>
<p>For instance, consider supplying an upper and lower bound for an index.</p>
<div class="sourceCode" id="cb10"><pre class="sourceCode stan code-with-copy"><code class="sourceCode stan">