 = Index_sssa(Mesh.elements, sets);	</span><span style="color: rgb(60, 118, 61);">% Row/column indices of tril(K)</span></span></div></div><div class="inlineWrapper"><div  class = 'S7'><span style="white-space: pre;"><span>times = toc;</span></span></div></div><div class="inlineWrapper outputs"><div  class = 'S12'><span style="white-space: pre;"><span>fprintf(</span><span style="color: rgb(160, 32, 240);">'Elapsed time for computing row/column indices of tril(K) on serial CPU: %f\n'</span><span>,times);</sp