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: p~9vP)74u
net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd'); jSwf*u
net.trainParam.show = 50; T`Mf]s)*
net.trainParam.lr = 0.05; k&.Jk
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net.trainParam.epochs = 300; '*?WU_L(g
net.trainParam.goal = 1e-5; N9vP7
p = [-1 -1 2 2;0 5 0 5]; Sp^9&^
t = [-1 -1 1 1]; 9\]^|?zQ`
net=train(net,p,t); 4qYUoCR&
TRAINGD, Epoch 0/300, MSE 1.59423/1e-05, Gradient 2.76799/1e-10 v0YG,)_
TRAINGD, Epoch 50/300, MSE 0.00236382/1e-05, Gradient 0.0495292/1e-10 e}.^Tiwd]
TRAINGD, Epoch 100/300, MSE 0.000435947/1e-05, Gradient 0.0161202/1e-10 hWT[L.>k
TRAINGD, Epoch 150/300, MSE 8.68462e-05/1e-05, Gradient 0.00769588/1e-10 mGGsB5#w>
TRAINGD, Epoch 200/300, MSE 1.45042e-05/1e-05, Gradient 0.00325667/1e-10 ##EYH1P]
TRAINGD, Epoch 211/300, MSE 9.64816e-06/1e-05, Gradient 0.00266775/1e-10 $pFo Rv
TRAINGD, Performance goal met. 7g(F#T?;'
a = sim(net,p) =<NljOR4`
plot(p,t,p,a,'o') tc!wLnhG
但是为什么老是报错: !}r%
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??? Input argument "net" is undefined. 2w-51tqm