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Re: [igraph] Edge ID numberings
From: |
Tamas Nepusz |
Subject: |
Re: [igraph] Edge ID numberings |
Date: |
Tue, 18 May 2010 20:18:23 +0100 |
Hi,
> I was wondering if the 'eid' used in many of the functions comes from the
> location in the edge list? e.g. if we had a graph with 10 edges then the eid
> values would be drawn from the set {0,1,2,3,4,5,6,7,8,9}?
Yes, exactly. If you have m edges, then the edges are numbered from 0 to n-1.
This has the somewhat unpleasant consequence that the edges are renumbered
after a delete_edges operation.
Tamas