perceptron_class3.m

感知器的MATLAB实现

clear
p=rand(2,50)*10;
t=zeros(1,50);
for i=1:50
if (p(1,i)<= p(2,i)) t(i)=1
end
end  

 w=(rand(1,2)-0.5)*2;
 b=(rand(1,1)-0.5)*2;
%w=[0.5 -1 -0.5];b=0.5;
% for j=1:1:10
e=1;j=0;
nn=size(t,2);
while abs(e)>1.0e-6
for i=1:1:nn
y=w*p(:,i)+b;
a=hardlim(y);
e=t(i)-a;
w=w+e*p(:,i)';
b=b+e;
j=j+1;
end
end

plotpv(p,t)
linehandle=plotpc(w,b);drawnow;