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[igraph] igraph_get_eid strange behaviour
From
:
Maria Grineva
Subject
:
[igraph] igraph_get_eid strange behaviour
Date
:
Fri, 21 Mar 2008 18:41:10 +0300
Hi all,
I am using igraph C library and faced with the following problem.
I have a weighted graph and use edges attributes for it.
// assign weight attributes to all edges in a graph
igraph_cattribute_EAN_setv(&g, "weight", &weights);
...
then I extract a subgraph from my weigthed graph:
igraph_subgraph(g, &community_graph, community_vs);
and then I need to extract weigths from the community_graph, and I try to do it the like this:
igraph_get_edgelist(&community_graph, &community_edges, 0);
<iterate over community_edges>
{ ...
igraph_get_eid(&community_graph, &eid, i, i+1, false);
EAN(&community_graph, "weight", eid);
... }
BUT eid provided by the igraph_get_eid is always 0. (EAN also doesn't work consequently).
What am I doing wrong?
Maria
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[igraph] igraph_get_eid strange behaviour
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Maria Grineva
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Re: [igraph] igraph_get_eid strange behaviour
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Tamas Nepusz
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2008/03/22
Re: [igraph] igraph_get_eid strange behaviour
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Gabor Csardi
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2008/03/22
Re: [igraph] igraph_get_eid strange behaviour
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Maria Grineva
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2008/03/24
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