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： C`z[25o
net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd'); _uuxTNN0x*
net.trainParam.show = 50; 5Xu2MY=
net.trainParam.lr = 0.05; Gpws_ jw
net.trainParam.epochs = 300; wRn]
net.trainParam.goal = 1e-5; ~F^(O{EG
p = [-1 -1 2 2;0 5 0 5]; 0b9;v lGq$
t = [-1 -1 1 1]; <=A1d\
net=train(net,p,t); Z~o6%_xe
TRAINGD, Epoch 0/300, MSE 1.59423/1e-05, Gradient 2.76799/1e-10 3%Z:B8:< y
TRAINGD, Epoch 50/300, MSE 0.00236382/1e-05, Gradient 0.0495292/1e-10 ~6z<tyD^
TRAINGD, Epoch 100/300, MSE 0.000435947/1e-05, Gradient 0.0161202/1e-10 W3s>+yU
TRAINGD, Epoch 150/300, MSE 8.68462e-05/1e-05, Gradient 0.00769588/1e-10 GndU}[ 0J
TRAINGD, Epoch 200/300, MSE 1.45042e-05/1e-05, Gradient 0.00325667/1e-10 a9C8Q
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TRAINGD, Epoch 211/300, MSE 9.64816e-06/1e-05, Gradient 0.00266775/1e-10 gwDQ @
TRAINGD, Performance goal met. cXiNO
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a = sim(net,p) eXY*l>B
plot(p,t,p,a,'o') ;Bk?,g
但是为什么老是报错： 7F OG^
??? Input argument "net" is undefined. kw&,<V77 ~
