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make_de_bruijn_graph

De Bruijn graphs


Description

De Bruijn graphs are labeled graphs representing the overlap of strings.

Usage

make_de_bruijn_graph(m, n)

de_bruijn_graph(...)

Arguments

m

Integer scalar, the size of the alphabet. See details below.

n

Integer scalar, the length of the labels. See details below.

...

Passed to make_de_bruijn_graph.

Details

A de Bruijn graph represents relationships between strings. An alphabet of m letters are used and strings of length n are considered. A vertex corresponds to every possible string and there is a directed edge from vertex v to vertex w if the string of v can be transformed into the string of w by removing its first letter and appending a letter to it.

Please note that the graph will have m to the power n vertices and even more edges, so probably you don't want to supply too big numbers for m and n.

De Bruijn graphs have some interesting properties, please see another source, eg. Wikipedia for details.

Value

A graph object.

Author(s)

Gabor Csardi <csardi.gabor@gmail.com>

See Also

Examples

# de Bruijn graphs can be created recursively by line graphs as well
g <- make_de_bruijn_graph(2,1)
make_de_bruijn_graph(2,2)
make_line_graph(g)

igraph

Network Analysis and Visualization

v1.2.10
GPL (>= 2)
Authors
See AUTHORS file.
Initial release

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