unction yn = isconnected(g)">isconnected</a>	isconnected(g) --- test if g is a connected graph</li><li><a href="nv.html" class="code" title="function n = nv(g)">nv</a>	nv(g) --- number of vertices in g</li></ul>
This function is called by:
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<h2><a name="_subfunctions"></a>SUBFUNCTIONS <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
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