pan>
0022     
0023     <span class="keyword">if</span> (n==2)
0024         output=[];
0025         <span class="keyword">return</span>
0026     <span class="keyword">end</span>
0027     
0028     t = <a href="graph.html" class="code" title="function g = graph(n)">graph</a>;  <span class="comment">% temporary copy of g</span>
0029     <a href="copy.html" class="code" title="function copy(g,h)">copy</a>(t,g);
0030     
0031     names = 1:n;  <span class="comment">% names of the vertices</span>
0032     outpu