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## Re: [igraph] Question on igraph_community_fastgreedy

**From**: |
Richard Geddes |

**Subject**: |
Re: [igraph] Question on igraph_community_fastgreedy |

**Date**: |
Wed, 27 Feb 2008 16:39:15 -0500 |

**User-agent**: |
Thunderbird 2.0.0.6 (X11/20071022) |

Thanks.
One other question: I've learned how to play with the igraph_vector_t
container... I think Gabor showed me by example a while back... how can
I iterate through the igraph_matrix_t? Is there a generalized
description of the igraph containers?
R
Tamas Nepusz wrote:
>*> const igraph_vector_t *weights*
>*>*
>*> argument has no description... are these the weights described as the*
>*> heuristics in the Wakita paper?*
>* No, the heuristics described in the Wakita paper are still waiting to*
>* be implemented... :( These are simply edge weights. In the weighted*
>* case, the "degrees" of the vertices are defined as the sum of the*
>* weights of their adjacent edges, and m (in the original formula) is*
>* replaced by the sum of the weights along all the edges. This extension*
>* was briefly mentioned in the original paper of Newman.*
>
>*> Also, if I'm not interested in weights, can I use NULL?*
>* Yes.*
>

**[igraph] Question on igraph_community_fastgreedy**, *Richard Geddes*, `2008/02/27`
**Re: [igraph] Question on igraph_community_fastgreedy**, *Tamas Nepusz*, `2008/02/27`
**Re: [igraph] Question on igraph_community_fastgreedy**,
*Richard Geddes* **<=**
**RE: [igraph] Question on igraph_community_fastgreedy**, *Thomas F. Brantle*, `2008/02/27`
**Re: [igraph] Question on igraph_community_fastgreedy**, *Tamas Nepusz*, `2008/02/27`
**RE: [igraph] Question on igraph_community_fastgreedy**, *Thomas F. Brantle*, `2008/02/27`
**Re: [igraph] Question on igraph_community_fastgreedy**, *Tamas Nepusz*, `2008/02/27`
**Re: [igraph] Question on igraph_community_fastgreedy**, *Richard Geddes*, `2008/02/28`
**Re: [igraph] Question on igraph_community_fastgreedy**, *Gabor Csardi*, `2008/02/28`