各位大虾,我在网上看到的教程里的一个程序段,本来想要试试看的: VthM`~3
net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd'); k:0nj!^4w>
net.trainParam.show = 50; # n\|Q\W
net.trainParam.lr = 0.05; /zTx+U.\I
net.trainParam.epochs = 300; btDPP k'
net.trainParam.goal = 1e-5; _h1:{hF
p = [-1 -1 2 2;0 5 0 5]; FNHJHuTe
t = [-1 -1 1 1]; nK>D& S_!
net=train(net,p,t); "o>` Y
TRAINGD, Epoch 0/300, MSE 1.59423/1e-05, Gradient 2.76799/1e-10 &m~
TRAINGD, Epoch 50/300, MSE 0.00236382/1e-05, Gradient 0.0495292/1e-10 ZK?:w^Z
TRAINGD, Epoch 100/300, MSE 0.000435947/1e-05, Gradient 0.0161202/1e-10 <=gf|(
TRAINGD, Epoch 150/300, MSE 8.68462e-05/1e-05, Gradient 0.00769588/1e-10 <;q)V%IUz
TRAINGD, Epoch 200/300, MSE 1.45042e-05/1e-05, Gradient 0.00325667/1e-10 FX&)~)
TRAINGD, Epoch 211/300, MSE 9.64816e-06/1e-05, Gradient 0.00266775/1e-10 *<l9d
TRAINGD, Performance goal met. hB1Gtc4n
a = sim(net,p) Vd+5an?
plot(p,t,p,a,'o') [h@MA|
但是为什么老是报错: rCn"{.rI
??? Input argument "net" is undefined. lFc4| _c g