edmondsOptimumBranching {RBGL}R Documentation

edmondsOptimumBranching

Description

edmondsOptimumBranching description

Usage

edmondsOptimumBranching(g) 

Arguments

g

instance of class graphNEL from Bioconductor graph class

Details

This is an implementation of Edmonds' algorithm to find optimum branching in a directed graph. See references for details.

Value

A list with three elements: edgeList, weights, and nodes for the optimum branching traversal

Author(s)

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

References

See Edmonds' Algorithm on https://github.com/atofigh/edmonds-alg

Examples

V <- LETTERS[1:4]
g <- new("graphNEL", nodes=V, edgemode="directed")
g <- addEdge(V[1+0],V[1+1],g, 3)
g <- addEdge(V[1+0],V[2+1],g, 1.5)
g <- addEdge(V[1+0],V[3+1],g, 1.8)
g <- addEdge(V[1+1],V[2+1],g, 4.3)
g <- addEdge(V[1+2],V[3+1],g, 2.2)

x11 <- edmondsOptimumBranching(g)
x11

[Package RBGL version 1.58.2 Index]