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: Id^)WEK4
net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd'); .r~M7 I
net.trainParam.show = 50;
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net.trainParam.lr = 0.05; d=eIsP'h
net.trainParam.epochs = 300; oxNQNJ!X
net.trainParam.goal = 1e-5; ;:1o|>mX
p = [-1 -1 2 2;0 5 0 5]; `Rx\wfr}
t = [-1 -1 1 1]; 0)]?@"j
net=train(net,p,t); :6jh*,OHZl
TRAINGD, Epoch 0/300, MSE 1.59423/1e-05, Gradient 2.76799/1e-10 C$4!|Wg3
TRAINGD, Epoch 50/300, MSE 0.00236382/1e-05, Gradient 0.0495292/1e-10 "_
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TRAINGD, Epoch 100/300, MSE 0.000435947/1e-05, Gradient 0.0161202/1e-10 +lw8YH
TRAINGD, Epoch 150/300, MSE 8.68462e-05/1e-05, Gradient 0.00769588/1e-10 !rTkH4!_
TRAINGD, Epoch 200/300, MSE 1.45042e-05/1e-05, Gradient 0.00325667/1e-10 p+#]Jr
TRAINGD, Epoch 211/300, MSE 9.64816e-06/1e-05, Gradient 0.00266775/1e-10 |a!]Iqz"N
TRAINGD, Performance goal met. td 5!
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a = sim(net,p) fk2p}
plot(p,t,p,a,'o') R q`j|tY
但是为什么老是报错: 8}K4M(
??? Input argument "net" is undefined. |ngv{g