The graph is a DAG? If not, that is a NP-Complete problem and Dijkstra wouldn't help you. Regards, Murilo Adriano Vasconcelos http://murilo.wordpress.com Em 13/04/2011, às 21:11, Shaun Jackman <sjackman@bcgsc.ca> escreveu:
Hi,
I would like to find the longest path from vertex u to vertex v through a directed graph with positive edge weights. I know that u and v are choke points in the graph, in that if you start from vertex u and start following random edges, you will end up at vertex v in pretty short order. Is dijkstra_shortest_paths the best function for this purpose?
The vertices reachable from u without travelling through v form a small subgraph of the total graph. I want to avoid exploring beyond v, and I definitely don't need to know the distances to vertices beyond v.
Cheers, Shaun
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