autoplot.extract_sparse
                        Plots the output of extract_sparse function.
create_exp_matrix       Creates an nxn exponential matrix
empirical_graphon       Computes empirical graphon from graph
extract_sparse          Extracts the sparse part from a (U,W) graphon
                        mixture
generate_star_union     Generates a sparse graph of star graphs
graph_join              Joins two graphs
line_graphon            Creates a line graphon from a sequence of
                        probabilities
plot_graphon            Plots graphon
predict_hubs            Predicts the degree of hubs of an new graph
sample_graphon          Generates a graph given a graphon
sample_mixed_graph      Generate a (U,W) mixture graph
scale_graphon           Scales a graphon to an nxn matrix
