Bigraph -- a graph with bidirected edges and no multiple edges

Functions and methods returning an object of class Bigraph :

• bigraph -- create a bigraph

Methods that use an object of class Bigraph :

• "isLoopless(Bigraph)" -- see isLoopless -- check whether a graph contains a loop
• "mixedGraph(Bigraph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph
• "mixedGraph(Bigraph,Digraph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph
• "mixedGraph(Bigraph,Digraph,Graph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph
• "mixedGraph(Bigraph,Graph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph
• "mixedGraph(Bigraph,Graph,Digraph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph
• "mixedGraph(Digraph,Bigraph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph
• "mixedGraph(Digraph,Bigraph,Graph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph
• "mixedGraph(Digraph,Graph,Bigraph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph
• "mixedGraph(Graph,Bigraph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph
• "mixedGraph(Graph,Bigraph,Digraph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph
• "mixedGraph(Graph,Digraph,Bigraph)" -- see mixedGraph -- create a mixed graph from a combination of undirected graph, digraph and bigraph

For the programmer

The object Bigraph is a type, with ancestor classes Graph < Digraph < HashTable < Thing.