Use this if you are using igraph from R
complementer {igraph} | R Documentation |
A complementer graph contains all edges that were not present in the input graph.
complementer(graph, loops = FALSE)
graph |
The input graph, can be directed or undirected. |
loops |
Logical constant, whether to generate loop edges. |
complementer
creates the complementer of a graph. Only edges
which are not present in the original graph will be included in the
new graph.
complementer
keeps graph and vertex attriubutes, edge
attributes are lost.
A new graph object.
Gabor Csardi csardi.gabor@gmail.com
## Complementer of a ring
g <- make_ring(10)
complementer(g)
## A graph and its complementer give together the full graph
g <- make_ring(10)
gc <- complementer(g)
gu <- union(g, gc)
gu
graph.isomorphic(gu, make_full_graph(vcount(g)))