[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
## Re: [igraph] random graph in C

**From**: |
Gábor Csárdi |

**Subject**: |
Re: [igraph] random graph in C |

**Date**: |
Tue, 21 Oct 2008 09:25:51 +0200 |

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*
>
>
>
>* _______________________________________________*
>* igraph-help mailing list*
>* address@hidden*
>* http://lists.nongnu.org/mailman/listinfo/igraph-help*
>
--
Gabor Csardi <address@hidden> UNIL DGM