expression denoting a <code>K</code>-vector and may be used in the code just like any other vector variable.</p>
<p>An alternative encoding would be with a two-dimensional array, as in</p>
<div class="sourceCode" id="cb13"><pre class="sourceCode stan code-with-copy"><code class="sourceCode stan"><span id="cb13-1"><a href="#cb13-1" aria-hidden="true" tabindex="-1"></a><span class="dt">array</span>[J, K] <span class="dt">real</span> theta;</span></code><button title="Copy to Clipboard" class="code-copy-button