fcm_evalj.m

来自「FCM,模糊C均值聚类的MATLAB实现[matlab]」· M 代码 · 共 19 行

function valJ = fcm_evalJ(Umat,mfuz,Dmat);
%   function valJ = fcm_evalJ(Umat,mfuz,Dmat);
%
%   Compute the value of the criterion
%
%   write by : DD
%       date : 2001/05/07
%      modif : 2001/06/27

[K, N] = size(Umat);
[K2,N2] = size(Dmat);
if ((K ~= K2) | (N ~= N2))
    error('fcm_evalJ() : incompatible dimensions');
end
valJ = 0;
for k=1:K
    valJ = valJ+((Umat(k,:).^mfuz)*Dmat(k,:)');
end
return %end of function fcm_evalJ()