="o">&#39;</span><span class="p">)</span> <span class="p">;</span>
<span class="p">[</span><span class="nb">i</span><span class="p">,</span><span class="nb">j</span><span class="p">]</span> <span class="p">=</span> <span class="nb">sub2ind</span><span class="p">(</span><span class="nb">size</span><span class="p">(</span><span class="n">I</span><span class="o">&#39;</span><span class="p">),</span><span class="n">r</span><span class="p">)</span> <span class="p">;</span>
<span class="n">r</span>  <span class="