s</span>
<span class="comment">%            node_label_in_the_paper + 1 (due to Matlab's convention).</span>
<span class="comment">%            Also label nodes with increasing numbers downstream.</span>

<span class="comment">%********************************************************************</span>
<span class="comment">% user supplied data (problem constants and tree topology)</span>
<span class="comment">%********************************************************************</span>
N = 6; <span class="c