求:FCM,PCM聚类算法MATLAB程序
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解决时间 2021-11-19 07:48
- 提问者网友：浮克旳回音
- 2021-11-18 11:55
求:FCM,PCM聚类算法MATLAB程序
最佳答案
- 五星知识达人网友：舊物识亽
- 2021-11-18 12:20
function [U,center,result,w,obj_fcn]= fenlei(data)
[data_n,in_n] = size(data);
m= 2; % Exponent for U
max_iter = 100; % Max. iteration
min_impro =1e-5; % Min. improvement
c=3;
[center, U, obj_fcn] = fcm(data, c);
for i=1:max_iter
if F(U)>0.98
break;
else
w_new=eye(in_n,in_n);
center1=sum(center)/c;
a=center1(1)./center1;
deta=center-center1(ones(c,1),:);
w=sqrt(sum(deta.^2)).*a;
for j=1:in_n
w_new(j,j)=w(j);
end
data1=data*w_new;
[center, U, obj_fcn] = fcm(data1, c);
center=center./w(ones(c,1),:);
obj_fcn=obj_fcn/sum(w.^2);
end
end
display(i);
result=zeros(1,data_n);U_=max(U);
for i=1:data_n
for j=1:c
if U(j,i)==U_(i)
result(i)=j;continue;
end
end
end
[data_n,in_n] = size(data);
m= 2; % Exponent for U
max_iter = 100; % Max. iteration
min_impro =1e-5; % Min. improvement
c=3;
[center, U, obj_fcn] = fcm(data, c);
for i=1:max_iter
if F(U)>0.98
break;
else
w_new=eye(in_n,in_n);
center1=sum(center)/c;
a=center1(1)./center1;
deta=center-center1(ones(c,1),:);
w=sqrt(sum(deta.^2)).*a;
for j=1:in_n
w_new(j,j)=w(j);
end
data1=data*w_new;
[center, U, obj_fcn] = fcm(data1, c);
center=center./w(ones(c,1),:);
obj_fcn=obj_fcn/sum(w.^2);
end
end
display(i);
result=zeros(1,data_n);U_=max(U);
for i=1:data_n
for j=1:c
if U(j,i)==U_(i)
result(i)=j;continue;
end
end
end
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