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Question: A graph drawing problem (networks package)

Question:A graph drawing problem (networks package)

Alasdair 98 Maple
network
September 27 2006
0
I'm just trying to draw a Petersen graph with one vertex removed, using Maple 10: with(networks): P:=petersen(): Q:=duplicate(P); delete(1,Q): draw(Q); I don't see anything wrong with these commands, and yet I get an error message: "Error, (in draw/concentric) not a list of vertices [1,2,3,4,5]" Yes, I know that - I've just deleted vertex 1. But surely I should still be able to draw the resulting graph? I know I can fiddle about with "Concentric", but I don't want to... And another thing: the inplace implementation of "delete" is, I think, contrary to reason. I would rather have: Q:=delete(1,P): Thanks, Alasdair
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