# maIrreducible

0th

Percentile

##### Irreducible form for a minimum cost arborescence problem

Given a graph with at least one minimum cost arborescence the maIrreducible function obtains the irreducible form.

##### Usage
maIrreducible(nodes, arcs)
##### Arguments
nodes
vector containing the nodes of the graph, identified by a number that goes from $1$ to the order of the graph.
arcs
matrix with the list of arcs of the graph. Each row represents one arc. The first two columns contain the two endpoints of each arc and the third column contains their weights.
##### Value

maIrreducible returns a matrix with the list of arcs of the irreducible form.

##### Aliases
• maIrreducible
##### Examples
# Graph
nodes <- 1:4
arcs <- matrix(c(1,2,7, 1,3,6, 1,4,4, 2,3,8, 2,4,6, 3,2,6,
3,4,5, 4,2,5, 4,3,7), ncol = 3, byrow = TRUE)
# Irreducible form
maIrreducible(nodes, arcs)

Documentation reproduced from package cooptrees, version 1.0, License: GPL-3

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