16. Other Operations

16.1. igraph_density — Calculate the density of a graph.
16.2. igraph_reciprocity — Calculates the reciprocity of a directed graph.
16.3. igraph_is_mutual — Check whether the edges of a directed graph are mutual
16.4. igraph_get_adjacency — Returns the adjacency matrix of a graph
16.5. igraph_get_edgelist — Returns the list of edges in a graph