Substracts the minimum weight of the arcs pointing to each node

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Description

The getCheapArcs function substracts to each arc of a given graph the value of the minimum weight of the arcs pointing to the same node.

Usage

1
getCheapArcs(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

getCheapArcs returns a matrix with a new list of arcs.

See Also

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

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