constructs a list of ordered pairs representing the edges of the graph .
- To use , you first need to load the Combinatorica Package using Needs["Combinatorica`"].
- If is undirected each edge is interpreted as two ordered pairs.
- An option called that takes on values or All can be used to affect the constructed representation.
- forces the removal of multiple edges and self-loops. Type->All keeps all information and is the default option.