getMinCostArcs: Selects the minimum cost of the arcs pointing to each node

Description Usage Arguments Value See Also

View source: R/getMinCostArcs.R


Given a directed graph, getMinCostArcs selects the minimum cost arcs entering each node and removes the others.


getMinCostArcs(nodes, arcs)



vector containing the nodes of the graph, identified by a number that goes from 1 to the order of the graph.


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.


The getMinCostArcs function returns a matrix with the list of the minimum cost arcs pointing to each node of the graph.

See Also

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

optrees documentation built on May 29, 2017, 9:40 p.m.