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| continue | 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: %vil~NU net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd'); =	;cTm5d;T
 net.trainParam.show = 50;  |z7V1xF
 net.trainParam.lr = 0.05;   uc>":V
 net.trainParam.epochs = 300;  V1&qgAy~
 net.trainParam.goal = 1e-5;  \i'Z(1
 p = [-1 -1 2 2;0 5 0 5];  X- ZZLl#
 t = [-1 -1 1 1];  	F)Iz:
 net=train(net,p,t);   Fq$r>tmV
 TRAINGD, Epoch 0/300, MSE 1.59423/1e-05, Gradient 2.76799/1e-10  J%u,qF}h
 TRAINGD, Epoch 50/300, MSE 0.00236382/1e-05, Gradient 0.0495292/1e-10  "ze-Mb
 TRAINGD, Epoch 100/300, MSE 0.000435947/1e-05, Gradient 0.0161202/1e-10  7 x'2
 TRAINGD, Epoch 150/300, MSE 8.68462e-05/1e-05, Gradient 0.00769588/1e-10  jsFfrS"*
 TRAINGD, Epoch 200/300, MSE 1.45042e-05/1e-05, Gradient 0.00325667/1e-10  Kh$Q9$
 TRAINGD, Epoch 211/300, MSE 9.64816e-06/1e-05, Gradient 0.00266775/1e-10  r~z'QG6v/
 TRAINGD, Performance goal met.  M#_|WL~
 a = sim(net,p) 5-hnk'
~
 plot(p,t,p,a,'o') BsU}HuQZQ
 但是为什么老是报错: ]|-sZ<?<i
 ??? Input argument "net" is undefined. K9{RU4<
 
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