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2010-05-03 22:43 |
新手求助~（关于初级的神经网络问题）
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： gN)c
net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd'); 2e$w?W0^
net.trainParam.show = 50; K}6dg<
net.trainParam.lr = 0.05; -s 6![eV
net.trainParam.epochs = 300; 7'
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net.trainParam.goal = 1e-5; ,f1 q )Qf
p = [-1 -1 2 2;0 5 0 5]; ,gL9? Wz
t = [-1 -1 1 1]; F :6SPY
y
net=train(net,p,t); 0* /{4)r
TRAINGD, Epoch 0/300, MSE 1.59423/1e-05, Gradient 2.76799/1e-10 ',GS#~
TRAINGD, Epoch 50/300, MSE 0.00236382/1e-05, Gradient 0.0495292/1e-10 %,hV [[ @.
TRAINGD, Epoch 100/300, MSE 0.000435947/1e-05, Gradient 0.0161202/1e-10 9;? UvOI;
TRAINGD, Epoch 150/300, MSE 8.68462e-05/1e-05, Gradient 0.00769588/1e-10 / r12h|
TRAINGD, Epoch 200/300, MSE 1.45042e-05/1e-05, Gradient 0.00325667/1e-10 e"
]2=5g
TRAINGD, Epoch 211/300, MSE 9.64816e-06/1e-05, Gradient 0.00266775/1e-10 - l%J/ :
TRAINGD, Performance goal met. 1SrJ6W @j[
a = sim(net,p) Cg z D $`~
plot(p,t,p,a,'o') ~+Z{ Q25R
但是为什么老是报错： S1/`th
??? Input argument "net" is undefined. fX
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