          h3 = plot(t,Q_b, <span class="string">'b-'</span>,<span class="string">'linewidth'</span>,1.5);
0229             <span class="keyword">for</span> i = 1:size(flow_section,1)
0230                 h2=plot(t(flow_section(i,1):flow_section(i,2)),<span class="keyword">...</span>
0231                     Q(flow_section(i,1):flow_section(i,2)),<span class="string">'g-'</span>,<span class="string">'linewidth'</span>,1.5);
0232             <span class="keyword">end</span>
0233             legend([h0 h3 h1 h