Returns a table with the edge costs.
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Graph::getEdgeCosts(G) returns a table with
the edge costs of the graph
Graph::getEdgeCosts(G) returns the costs of all edges in
Costs will most probably only be defined, if transportation problems occur.
If FAIL is returned, no costs werde defined (this way both, network and graph algorithms handle this situation correct.)
First lets define a graph without edge costs:
G1 := Graph::createCircleGraph(3): Graph::getEdgeCosts(G1)
FAIL was returned, because no edge costs
Graph::getEdges(G1); G1 := Graph::setEdgeCosts(G1, [[1, 2], [3, 1]], [5, 1/2]): Graph::getEdgeCosts(G1)
The first output shows all the edges and the second one the assigned edge costs.