sample_k_regular

0th

Percentile

Create a random regular graph

Generate a random graph where each vertex has the same degree.

Keywords
graphs
Usage
sample_k_regular(no.of.nodes, k, directed = FALSE, multiple = FALSE)
Arguments
no.of.nodes

Integer scalar, the number of vertices in the generated graph.

k

Integer scalar, the degree of each vertex in the graph, or the out-degree and in-degree in a directed graph.

directed

Logical scalar, whether to create a directed graph.

multiple

Logical scalar, whether multiple edges are allowed.

Details

This game generates a directed or undirected random graph where the degrees of vertices are equal to a predefined constant k. For undirected graphs, at least one of k and the number of vertices must be even.

The game simply uses sample_degseq with appropriately constructed degree sequences.

Value

An igraph graph.

See Also

sample_degseq for a generator with prescribed degree sequence.

Aliases
  • sample_k_regular
  • k.regular.game
Examples
# NOT RUN {
## A simple ring
ring <- sample_k_regular(10, 2)
plot(ring)

## k-regular graphs on 10 vertices, with k=1:9
k10 <- lapply(1:9, sample_k_regular, no.of.nodes=10)

layout(matrix(1:9, nrow=3, byrow=TRUE))
sapply(k10, plot, vertex.label=NA)
# }
Documentation reproduced from package igraph, version 1.2.2, License: GPL (>= 2)

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