| adj_matrix (G[, nodelist]) | Return adjacency matrix of graph as a numpy matrix. |
| laplacian (G[, nodelist]) | Return standard combinatorial Laplacian of G as a numpy matrix. |
| normalized_laplacian (G[, nodelist]) | Return normalized Laplacian of G as a numpy matrix. |
| laplacian_spectrum (G) | Return eigenvalues of the Laplacian of G |
| adjacency_spectrum (G) | Return eigenvalues of the adjacency matrix of G |