stepfcm.m

该算法是结合减法聚类与FCM聚类算法融合的远代码。算法通过融合这两种算法

function [U_new,center,obj_fcn]=stepfcm(data,U,cluster_n,expo)
mf=U.^expo;
center=mf*data./((ones(size(data,2),1)*sum(mf'))');%计算新的中心
dist=distfcm(center,data);
obj_fcn=sum(sum((dist.^2).*mf));
tmp=dist.^(-2/(expo-1));
U_new=tmp./(ones(cluster_n,1)*sum(tmp));