all_pairs_shortest_path¶

all_pairs_shortest_path(G, cutoff=None)[source]¶

Compute shortest paths between all nodes.

Parameters :

G : NetworkX graph

cutoff : integer, optional

Depth to stop the search. Only paths of length <= cutoff are returned.

Returns :

lengths : dictionary

Dictionary, keyed by source and target, of shortest paths.

See also

floyd_warshall

Examples

>>> G=nx.path_graph(5)
>>> path=nx.all_pairs_shortest_path(G)
>>> print(path[0][4])
[0, 1, 2, 3, 4]