networkx.algorithms.operators.all.intersection_all¶

intersection_all(graphs)[source]¶

Return a new graph that contains only the edges that exist in all graphs.

All supplied graphs must have the same node set.

Parameters:	graphs (list) – List of NetworkX graphs
Returns:	R
Return type:	A new graph with the same type as the first graph in list
Raises:	`ValueError` – If `graphs` is an empty list.

Notes

Attributes from the graph, nodes, and edges are not copied to the new graph.