t);
            x(node) + w(node) + rho &lt;= x(prnt);
        <span class="keyword">end</span>

        <span class="keyword">for</span> i=1:length(nodes_V)
            node = nodes_V(i);
            c = adj_V(node,:);
            prnt = find(c&gt;0)';
            m = length(prnt);
            y(node) + h(node) + rho &lt;= y(prnt);
        <span class="keyword">end</span>

        <span class="keyword">if</span> sum(size(u))~= 0
            h &lt;= u.*w;
        <span class="keyword">end</span>
        <sp