%?Iplementation?:?Antoine?Scherrer
%?antoine.scherrer@ens-lyon.fr
%?Apply?clustering?after?:
%?“Fast?unfolding?of?community?hierarchies?in?large?networks“
%?Vincent?D.?Blondel?Jean-Loup?Guillaume?Renaud?Lambiotte
%?Etienne?Lefebvre
%?http://arxiv.org/abs/0803.0476
%
%?NON?ORIENTED?VERSION?USING?SYMETRIC?MATRIX?A?=?M?+?M^t?INSTEAD?OF?
%?（POSSIBLY?NON?SYMETRIC）?INPUT?MATRIX?M
%
%?FULL?MATLAB?VERSION?（SLOWER）
%
%?Inputs?:?
%?M?:?weight?matrix?（the?matrix?is?symetrized?with
%?the?sum?of?weights?in?both?directions）
%?s?:?1?=?Recursive?computation
%???:?0?=?Just?one?level?computation
%?self?:?1?=?Use?self?weights
%????????0?=?Do?not?use?self?weights
%?debug???:?1?=?outputs?some?debug?messages
%?verbose?:?1?=?outputs?some?messages
%
%?Output?:
%?COMTY?structure?with?the?following?information
%?for?each?level?i?:
%???COMTY.COM{i}?:?vector?of?community?IDs?（sorted?by?community?sizes）
%???COMTY.SIZE{i}?:?vector?of?community?sizes
%???COMTY.MOD（i）?:?modularity?of?clustering
%???COMTY.Niter（i）?:?Number?of?iteration?before?convergence
%
function?[COMTY?ending]?=?cluster_jl（Msselfdebugverbose）

if?nargin???error（‘not?enough?argument‘）;
end

if?nargin???s?=?1;
end

if?nargin???self?=?1;
end

if?nargin???debug?=?0;
end

if?nargin???verbose?=?0;
end

S?=?size（M）;
N?=?S（1）;

ddebug?=?0;
ending?=?0;

%?Symetrize?matrix?taking?the?sum?of?weights
M?=?M?+?M‘;
if?（self?==?0）
??M（（N+1）.*[0:N-1]+1）?=?0;
end
M2?=?M;
M2（（N+1）.*[0:N-1]+1）?=?0;

m?=?sum（sum（M））;
Niter?=?1;

if?m==0?|?N?==?1
%???fprintf（‘No?more?possible?decomposition\n‘）;
??ending?=?1;
??COMTY?=?0;
??return;
end

%?Main?loop
K?=?sum（M）;?%?Sum?of?wieght?incident?to?node?i
SumTot?=?sum（M）;
SumIn?=?diag（M）;?%?Sum?of?weight?inside?community?i
COM?=?1:S（1）;?%?Community?of?node?i
for?k=1:N
??Neighbor{k}?=?find（M2（k:））;
end

sCost?=?10;
gain?=?1;
while?（gain?==?1）
??Cost?=?zeros（1N）;
??gain?=?0;
??for?i=1:N
????Ci?=?COM（i）;
????NB?=?Neighbor{i};
????G?=?zeros（1N）;?%?Gain?vector
????best_increase?=?-1;
????Cnew?=?Ci;
????COM（i）?=?-1;
????SumTot（Ci）?=?SumTot（Ci）?-?K（i）;
????CNj1?=?find（COM==Ci）;
????SumIn（Ci）?=?SumIn（Ci）?-?2*sum（M（iCNj1））?-?M（ii）;
????for?j=1:length（NB）
??????Cj?=?COM（NB（j））;
??????if?（G（Cj）?==?0）
????????CNj?=?find（COM==Cj）;
????????Ki_in?=?2*sum（M（iCNj））;
????????G（Cj）?=?Ki_in/m?-?2*K（i）*SumTot（Cj）/（m*m）;
????????if?（ddebug）
%???????????fprintf（‘Gaim?for?comm?%d?=>?%g\n‘Cj-1G（Cj））;
????????end
????????if?G（Cj）?>?best_increase;
??????????best_increase?=?G（Cj）;
??????????Cnew_t?=?Cj;
????????end
??????end
????end
????if?best_increase?>?0
??????Cnew?=?Cnew_t;
??????if?（debug）
%?????????fprintf（‘Move?%d?=>?%d\n‘i-1Cnew-1）;
??????end
??????Cost（i）?=?best_increase;
????end
????Ck?=?find（COM==Cnew）;
????SumIn（Cnew）?=?SumIn（Cnew）?+?2*sum（M（iCk））;
????SumTot（Cnew）?=?SumTot（Cnew）?+?K（i）;
????COM（i）?=?Cnew;
????if?（Cnew?~=?Ci）
??????gain?=?1;
????end
????
??end
??sCost?=?sum（Cost）;
??[C2?S2]?=?reindex_com（COM）;
??Nco?=?length（unique（COM））;
??Nco2?=?length（S2（S2>1））;
??mo

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-07-18?13:08??Louvain-matlab-win\
?????文件???????13876??2014-10-20?14:23??Louvain-matlab-win\Louvain.rar
?????目錄???????????0??2016-07-18?13:08??Louvain-matlab-win\Louvain\
?????文件?????????330??2012-10-28?08:56??Louvain-matlab-win\Louvain\writefile.m
?????文件?????????970??2013-01-17?14:33??Louvain-matlab-win\Louvain\karate1.dat
?????文件????????2904??2014-10-20?12:18??Louvain-matlab-win\Louvain\FastUnfording.m
?????文件????????1080??2013-01-17?13:43??Louvain-matlab-win\Louvain\convert2one.m
?????文件????????3859??2008-07-15?05:52??Louvain-matlab-win\Louvain\cluster_jl_orient_cpp.m
?????文件????????4056??2008-07-15?05:59??Louvain-matlab-win\Louvain\cluster_jl_orientT_cpp.m
?????文件????????5621??2008-07-15?05:59??Louvain-matlab-win\Louvain\cluster_jl_orientT.m
?????文件????????5907??2013-01-17?14:35??Louvain-matlab-win\Louvain\cluster_jl_orient.m
?????文件????????4166??2008-07-15?05:52??Louvain-matlab-win\Louvain\cluster_jl_cpp.m
?????文件????????5674??2013-01-17?14:42??Louvain-matlab-win\Louvain\cluster_jl.m