vertices(MixedGraph) -- create a union of all vertices of a mixed graph

Synopsis

• Function: vertices

• Usage:

  V=vertices G

  V=vertexSet G

• Inputs:
  • G, an instance of the type MixedGraph,
• Outputs:
  • a list,

Description

i1 : G = mixedGraph(graph{{3,1}},digraph {{1,2},{2,3}},bigraph {{3,4}})

o1 = MixedGraph{Bigraph => Bigraph{3 => {4}}}
                                   4 => {3}
                Digraph => Digraph{1 => {2}}
                                   2 => {3}
                                   3 => {}
                Graph => Graph{1 => {3}}
                               3 => {1}

o1 : MixedGraph

i2 : vertices G

o2 = {1, 2, 3, 4}

o2 : List

i3 : vertexSet G

o3 = {1, 2, 3, 4}

o3 : List

See also

• MixedGraph -- a graph that has undirected, directed and bidirected edges