graph_from_lcf: Creating a graph from LCF notation
In igraph: Network Analysis and Visualization
graph_from_lcf R Documentation
Creating a graph from LCF notation
Description
LCF is short for Lederberg-Coxeter-Frucht, it is a concise notation for
3-regular Hamiltonian graphs. It constists of three parameters, the number
of vertices in the graph, a list of shifts giving additional edges to a
cycle backbone and another integer giving how many times the shifts should
be performed. See http://mathworld.wolfram.com/LCFNotation.html for
details.
Usage
graph_from_lcf(n, shifts, repeats = 1)
Arguments
n
Integer, the number of vertices in the graph.
shifts
Integer vector, the shifts.
repeats
Integer constant, how many times to repeat the shifts.
Value
A graph object.
Related documentation in the C library
Author(s)
Gabor Csardi csardi.gabor@gmail.com
See Also
make_graph() can create arbitrary graphs, see also the other
functions on the its manual page for creating special graphs.
Examples
# This is the Franklin graph:
g1 <- graph_from_lcf(12, c(5, -5), 6)
g2 <- make_graph("Franklin")
isomorphic(g1, g2)
igraph documentation built on Oct. 20, 2024, 1:06 a.m.
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| graph_from_lcf | R Documentation |
Creating a graph from LCF notation
Description
LCF is short for Lederberg-Coxeter-Frucht, it is a concise notation for 3-regular Hamiltonian graphs. It constists of three parameters, the number of vertices in the graph, a list of shifts giving additional edges to a cycle backbone and another integer giving how many times the shifts should be performed. See http://mathworld.wolfram.com/LCFNotation.html for details.
Usage
graph_from_lcf(n, shifts, repeats = 1)
Arguments
n |
Integer, the number of vertices in the graph. |
shifts |
Integer vector, the shifts. |
repeats |
Integer constant, how many times to repeat the shifts. |
Value
A graph object.
Related documentation in the C library
Author(s)
Gabor Csardi csardi.gabor@gmail.com
See Also
make_graph() can create arbitrary graphs, see also the other
functions on the its manual page for creating special graphs.
Examples
# This is the Franklin graph:
g1 <- graph_from_lcf(12, c(5, -5), 6)
g2 <- make_graph("Franklin")
isomorphic(g1, g2)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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