digraph(MixedGraph) -- extract the digraph component of a mixed graph

Synopsis

• Function: digraph

• Usage:

  D=digraph G

• Inputs:
  • G, an instance of the type MixedGraph,
• Optional inputs:
  • EntryMode (missing documentation) => ..., default value "auto",
  • Singletons (missing documentation) => ..., default value null,
• Outputs:
  • a digraph,

Description

i1 : G= mixedGraph(graph{{a,b},{b,c}},digraph {{a,d},{c,e},{f,g}},bigraph {{d,e}})

o1 = MixedGraph{Bigraph => Bigraph{d => {e}}}
                                   e => {d}
                Digraph => Digraph{a => {d}}
                                   c => {e}
                                   d => {}
                                   e => {}
                                   f => {g}
                                   g => {}
                Graph => Graph{a => {b}   }
                               b => {a, c}
                               c => {b}

o1 : MixedGraph

i2 : digraph G

o2 = Digraph{a => {d}}
             c => {e}
             d => {}
             e => {}
             f => {g}
             g => {}

o2 : Digraph

See also

• MixedGraph -- a graph that has undirected, directed and bidirected edges
• bigraph(MixedGraph) -- extract the bigraph component of a mixed graph
• graph(MixedGraph) -- convert mixed graph to a hash table
• undirectedGraph(MixedGraph) -- extract the undirected graph component of a mixed graph