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Direct product of two graphs

Source: R/graph_products.R
graph_direct.Rd

Compute the direct product of two graphs

Usage

graph_direct(g, h)

Arguments

g

An igraph object

h

An igraph object

Value

Direct product as igraph object

Details

See https://en.wikipedia.org/wiki/Tensor_product_of_graphs

Author

David Schoch

Examples

library(igraph)
g <- make_ring(4)
h <- make_full_graph(2)
graph_direct(g, h)
#> IGRAPH dc93b6d UN-- 8 8 -- 
#> + attr: name (v/c)
#> + edges from dc93b6d (vertex names):
#> [1] 1-1--2-2 2-1--1-2 2-1--3-2 2-2--3-1 3-1--4-2 3-2--4-1 1-1--4-2 1-2--4-1