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This documents an unmaintained version of NetworkX. Please upgrade to a maintained version and see the current NetworkX documentation.

networkx.classes.function.common_neighbors

common_neighbors(G, u, v)

Return the common neighbors of two nodes in a graph.

Parameters:

• G (graph) – A NetworkX undirected graph.
• u, v (nodes) – Nodes in the graph.

Returns:

cnbors – Iterator of common neighbors of u and v in the graph.

Return type:

iterator

Raises:

NetworkXError – If u or v is not a node in the graph.

Examples

>>> G = nx.complete_graph(5)
>>> sorted(nx.common_neighbors(G, 0, 1))
[2, 3, 4]