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Dear Bill, Thanks. Now, I have turned it into: Flatten[Outer[List, ##] & @@ pp, n - 1], where pp = {pi, pj, pk} Best, GG
![enter image description here][1] Hi, There seem to be two different "Graph" commands, although they have the same name. GraphQ does not recognize all graphs. What shall I load in which sequence, if I want to use some commands from...