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How to find all edges indexes if node indexes are given?

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Hi! How can I find all edges indexes in graph G that are made of nodes 4,5,6 (in this case according to G.Edges those edges are 5 and 6). Can anybody help me with that?

Accepted Answer

Christine Tobler
Christine Tobler on 15 Jul 2020
So you're looking for all edges where both end nodes are part of the set 4, 5, 6? This will compute them:
>> [s, t] = findedge(g);
>> nodes = [4 5 6];
>> find(ismember(s, nodes) & ismember(t, nodes))
ans =
5
6

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