matlab__实现感知器，并用图像显示其迭代过程_perceptron_matlab.zip

x = [1, 1 2, 3 3, 1 3, 5 4, 3 5, 2]; y = [1, 1, 1,-1,-1,-1]; rate = 1; iter = 50; [h,l]=size(x); w=zeros(1,l); b = 0; c=1; zz=0; while c zz=zz+1; k=unidrnd(h); if y(k)*(w*x(k,:)'+b)<=0 w =w+rate*y(k)*x(k,:); b=b+rate*y(k); else if y .* (w*x'+b)>0 c=0; end end x1=0:0.1:10; if w(2) == 0 x1=b/-w(1); y2=0:0.1:3; else y2=(w(1)*x1+b)./(-w(2)); end figure(1) scatter(x(1:3,1),x(1:3,2),'filled'); scatter(x(4:6,1),x(4:6,2),'filled','d'); hold on plot(x1,y2); end x1=0:0.1:10; if w(2) == 0 x1=b/-w(1); y2=0:0.1:3; figure(2) line([x1,x1],[0,100]) else y2=(w(1)*x1+b)./(-w(2)); figure(2) plot(x1,y2) end hold on scatter(x(1:3,1),x(1:3,2),'filled','red'); scatter(x(4:6,1),x(4:6,2),'filled','d','blue');