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

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Artur Iskhakov
Artur Iskhakov 2020-7-15
评论： Artur Iskhakov 2020-7-15
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?

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Christine Tobler
Christine Tobler 2020-7-15
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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