Selects zero weight arcs of a graph

Description

Given a directed graph, getZeroArcs returns the list of arcs with zero weight. Removes other arcs by assign them infinite value.

Usage

1
getZeroArcs(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

The getZeroArcs function returns a matrix with the list of zero weight arcs of the graph.

See Also

This function is an auxiliar function used in msArborEdmonds and getMinimumArborescence.

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