nock off first array dimension</span></span>
<span id="cb22-5"><a href="#cb22-5" aria-hidden="true" tabindex="-1"></a>a = m[<span class="dv">3</span>:<span class="dv">4</span>, <span class="dv">5</span>];  <span class="co">// knock off second array dimension</span></span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
<p>In both assignments, the multiple index knocks off an array dimension, but it’s different in both cases. In the first case, <code