test.asv

matlab实现BP神经网络

p=[-1 -1 2 2;0 5 0 5];
t=[-1 -1 1 1];
net=newff(minmax(p),[3,1],{'tansig','purelin'},'traingd');
net.trainParam.show=50;
net.trainParam.lr=0.1;
net.trainParam.epochs=300;
net.trainParam.goal=1e-5;
[net,tr]=train(net,p,t);
a=sim(net,p);
plot(p,t,net,t);