isKuratowskiSubgraph {RBGL} | R Documentation

## isKuratowskiSubgraph

### Description

isKuratowskiSubgraph description

### Usage

    isKuratowskiSubgraph(g)

### Arguments

`g` | instance of class graphNEL from Bioconductor graph class

### Value

a list with three elements: 'Is planar' (logical), 'Is there a Kuratowski subgraph' (logical), and a two-row character matrix 'Edges of Kuratowski subgraph' with rows 'from' and 'two' and node names as entries.

### Author(s)

Li Long <li.long@isb-sib.ch>

### References

Boost Graph Library ( www.boost.org/libs/graph/doc/index.html )

The Boost Graph Library: User Guide and Reference Manual; by Jeremy G. Siek, Lie-Quan Lee, and Andrew Lumsdaine; (Addison-Wesley, Pearson Education Inc., 2002), xxiv+321pp. ISBN 0-201-72914-8

### Examples

    V <- LETTERS[1:6]
    g <- new("graphNEL", nodes=V, edgemode="undirected")
    g <- addEdge(V[1+0], V[1+1], g)
    g <- addEdge(V[1+0], V[2+1], g)
    g <- addEdge(V[1+0], V[3+1], g)
    g <- addEdge(V[1+0], V[4+1], g)
    g <- addEdge(V[1+0], V[5+1], g)
    g <- addEdge(V[1+1], V[2+1], g)
    g <- addEdge(V[1+1], V[3+1], g)
    g <- addEdge(V[1+1], V[4+1], g)
    g <- addEdge(V[1+1], V[5+1], g)
    g <- addEdge(V[1+2], V[3+1], g)
    g <- addEdge(V[1+2], V[4+1], g)
    g <- addEdge(V[1+2], V[5+1], g)
    g <- addEdge(V[1+3], V[4+1], g)
    g <- addEdge(V[1+3], V[5+1], g)
    g <- addEdge(V[1+4], V[5+1], g)

    x4 <- isKuratowskiSubgraph(g)
    x4

[Package RBGL version 1.68.0 Index]