gongxian.m

具有反馈的BP神经网络Matlab实现

function [wa,C]=gongxian(w1,w2,hw1,layers)
wa=zeros(1,hw1);
fenzi=zeros(1,hw1);
fenmu=0;
for j=1:hw1
    for k=1:layers
        fenzi(1,j)=fenzi(1,j)+abs(w1(j,k));
    end
    fenmu=fenmu+fenzi(1,j);
end

for j=1:hw1
    wa(1,j)=fenzi(1,j)/fenmu;
end
C=zeros(1,hw1);
for kk=1:hw1
    for jj=1:layers
        C(1,kk)=C(1,kk)+w2(jj,1)*w1(kk,jj);
    end
end
figure;
plot(wa,'r+:');
hold on
plot(C);
axis([1,10,-5,5]);