Edges,
Vertices — list of edges and vertices in a graph
M,
V — number of edges and vertices in a graph
ToAdjacencyLists — represent a graph as adjacency lists
ToAdjacencyMatrix — represent a graph as an adjacency matrix
SymmetricQ — test if a square matrix represents a symmetric relation
EquivalenceRelationQ — test if a matrix defines an equivalence relation
MakeGraph — construct a graph using a binary predicate
GraphUnion — construct the union of two graphs
SetVertexWeights — assign weights to vertices
ReadGraph — read graph specification from a file
WriteGraph — write graph specification into a file
Cycle — a circular chain of edges
GridGraph — graph with nodes on a grid
FiniteGraphs — list of all built-in finite parameterless graphs
