simplegraph (version 1.0.0)

is_multigraph: Is this a multigraph?

Description

A multigraph has at least one pair or multiple edges, edges connecting the same (ordered) pair of vertices.

Usage

is_multigraph(graph)

Value

Logical scalar.

Arguments

graph

Input graph.

See Also

Other multigraphs: is_loopy, is_simple, remove_loops, remove_multiple, simplify

Examples

G <- graph(list(A = c("A", "B", "B"), B = c("A", "C"), C = "A"))
is_multigraph(G)

G2 <- simplify(G)
is_multigraph(G2)

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