make_chordal_ring

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Create an extended chordal ring graph

make_chordal_ring creates an extended chordal ring. An extended chordal ring is regular graph, each node has the same degree. It can be obtained from a simple ring by adding some extra edges specified by a matrix. Let p denote the number of columns in the ‘W’ matrix. The extra edges of vertex i are added according to column i mod p in ‘W’. The number of extra edges is the number of rows in ‘W’: for each row j an edge i->i+w[ij] is added if i+w[ij] is less than the number of total nodes. See also Kotsis, G: Interconnection Topologies for Parallel Processing Systems, PARS Mitteilungen 11, 1-6, 1993.

Usage
make_chordal_ring(n, w)

chordal_ring(...)

Arguments
n

The number of vertices.

w

A matrix which specifies the extended chordal ring. See details below.

...

Passed to make_chordal_ring.

Value

An igraph graph.

See Also

Other determimistic constructors: atlas, graph.atlas, graph_from_atlas; directed_graph, graph, graph.famous, make_directed_graph, make_graph, make_undirected_graph, undirected_graph; empty_graph, graph.empty, make_empty_graph; from_edgelist, graph.edgelist, graph_from_edgelist; from_literal, graph.formula, graph_from_literal; full_citation_graph, graph.full.citation, make_full_citation_graph; full_graph, graph.full, make_full_graph; graph.lattice, lattice, make_lattice; graph.ring, make_ring, ring; graph.star, make_star, star; graph.tree, make_tree, tree

Aliases
  • chordal_ring
  • graph.extended.chordal.ring
  • make_chordal_ring
Examples
# NOT RUN {
chord <- make_chordal_ring(15,
    matrix(c(3, 12, 4, 7, 8, 11), nr = 2))
# }
Documentation reproduced from package igraph, version 1.0.1, License: GPL (>= 2)

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