threelay_nn.m

人工神经网络

%三层神经网络
clear all;clc;
W1=rand(3,3);W2=rand(3,3);W3=rand(3,3);
x(1,1)=0.5;x(2,1)=0.5;x(3,1)=0.5;
for i=1:10000
    u=W1*x(:,1);
    y(:,1)=mod(u,1);
    v=W2*y(:,1);
    z(:,1)=mod(v,1);
    q=W3*z(:,1);
    x(:,1)=mod(q,1);
    plot3(z(1,1),z(2,1),z(3,1));
    hold on;
end