NARVAL_G_Spectrum performs the spectrum S of the graph g. The spetrum of a graph is the set of eigenvalues of its adjacency matrix.
Examples
n=100;//network sizel=1000;//network squared area sided=100;//Locality radius[g]=NARVAL_T_LocalityConnex(n,l,d);//generation of a topologyind=1;f=NARVAL_G_ShowGraph(g,ind);[S]=NARVAL_G_Spectrum(g);//application of NARVAL_G_SpectrumS