Code" id="cb133"><pre class="sourceCode stan"><code class="sourceCode stan"><span id="cb133-1"><a href="type-inference.html#cb133-1" aria-hidden="true" tabindex="-1"></a><span class="dt">array</span>[I, J, K] <span class="dt">matrix</span>[M, N] a;</span></code></pre></div>
<p>The matrix <code>a</code> is indexed as <code>a[i, j, k, m, n]</code> with the array
indices first, followed by the matrix indices, with <code>a[i, j, k]</code>
being a matrix and <code>a[i, j, k, m]</code> being a row vector.</p>
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