Re: [igraph] random graph in C

[Gábor Csárdi]

The function is called 'igraph_nonlinear_barabasi_game', see
http://cneurocvs.rmki.kfki.hu/igraph/doc/html/igraph_nonlinear_barabasi_game.html

Best,
Gabor

On Tue, Oct 21, 2008 at 3:19 AM, giuseppe de marco
<address@hidden> wrote:
> HI.
> I would like to generate a power-law random graph , with varying exponent,
> but in C not in R.
> I saw that there is igraph_barabasi_game function, but I do not know how to
> set the attractive parameter .
> In fact, in the growing graph model of Dorogovstev the probability of
> incoming edges at each time step is:
> P(k) = A + k^alpha
> and
> for large time-step
> P(k) ~ k^(-gamma)
> where
> gamma = 2 + A/m.
> So, if I could control A and m I could control gamma.
> where
>
> --
> Giuseppe De Marco, PhD
> Toyota Technological Institute
> 468-8511 Aichi 2-12-1 Hisakata, Tenpaku-ku, Nagoya, Japan
> Email: demarco at toyota-ti dot ac dot jp
> Tel (int): +81 (052)-809-1802
> Skype-Id: giuseppe_dem2
>
>
>
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-- 
Gabor Csardi <address@hidden>     UNIL DGM