NL_G_NodeNumber computes the number of nodes N inside the graph G.
Examples
n0=100;//parametersl=1000;d=100;[g]=NL_T_LocalityConnex(n0,l,d);//generation of a graphind=1;//window indexf=NL_G_ShowGraph(g,ind);//graph visualization[n]=NL_G_NodeNumber(g)//application of NL_G_NodeNumber