pan> <span class="n">dofedge</span><span class="p">(</span><span class="n">elem</span><span class="p">);</span>
<span class="n">findedge</span><span class="p">(</span><span class="n">node</span><span class="p">,</span><span class="n">edge</span><span class="p">,</span><span class="s">&#39;all&#39;</span><span class="p">,</span><span class="s">&#39;rotvec&#39;</span><span class="p">);</span>
<span class="n">display</span><span class="p">(</span><span class="n">elem2edge</span><span class="p">);</span>
</pre>