belong.m

来自「模糊聚类算法」· M 代码 · 共 37 行

function fu=belong(c,hist,v_end)
   
   a=size(hist,1);
   
   dist = zeros(a,c);
   for k=1:a
       for i=1:c
           dist(k,i)=sqrt(k-v_end(i));
       end
   end
   
    %求隶属度
    m=2;%m为加权指数
   u = zeros(a,c);
   b=0;
   for k=1:a
       for i=1:c
           a_a=dist(k,i);
           if a_a==0
               b=0;
               break;
           end
           b=(1/a_a)^(2/(m-1))+b;
       end
   end
   
   
   for k=1:a
       for i=1:c
           if dist(k,i)==0
               u(k,i)=0;
               break;
           end
           u(k,i)=abs(b/(dist(k,i)^(2/(m-1))));
       end
   end 
   fu=u;