="function circulant(g,n,k)">circulant</a>	circulant(g,n,k) --- overwrite g with an n,k circulant graph</li><li><a href="contract.html" class="code" title="function contract(g,u,v)">contract</a>	contract(g,u,v) --- contract v into u</li><li><a href="cube.html" class="code" title="function cube(g,k)">cube</a>	cube(g,k) --- create a k-cube (default k = 3)</li><li><a href="cycle.html" class="code" title="function cycle(g,n)">cycle</a>	cycle(g,n) --- create a cycle graph on n vertices</li><li><a href="dfstree.h