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： oE'Flc.
net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd'); e6uVUzP4
net.trainParam.show = 50; S~ Yu;
net.trainParam.lr = 0.05; &T\,kq >)
net.trainParam.epochs = 300; :x36Z4:
net.trainParam.goal = 1e-5; C}(9SASs%
p = [-1 -1 2 2;0 5 0 5]; R6-Z]H u
t = [-1 -1 1 1]; Q7XlFjzcm
net=train(net,p,t); ]$i~;f 8I
TRAINGD, Epoch 0/300, MSE 1.59423/1e-05, Gradient 2.76799/1e-10 i[m-&
TRAINGD, Epoch 50/300, MSE 0.00236382/1e-05, Gradient 0.0495292/1e-10 >IE`, fe
TRAINGD, Epoch 100/300, MSE 0.000435947/1e-05, Gradient 0.0161202/1e-10 8&UwnEk<
TRAINGD, Epoch 150/300, MSE 8.68462e-05/1e-05, Gradient 0.00769588/1e-10 }<g- 0&GLm
TRAINGD, Epoch 200/300, MSE 1.45042e-05/1e-05, Gradient 0.00325667/1e-10 wUcp_)aE|
TRAINGD, Epoch 211/300, MSE 9.64816e-06/1e-05, Gradient 0.00266775/1e-10 ~=Q Tv8
TRAINGD, Performance goal met. W,ik ;P\
a = sim(net,p) ]6z ;
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plot(p,t,p,a,'o') ;B6m;[M+
但是为什么老是报错： (v1~p3H
??? Input argument "net" is undefined. j2Uu8.8d
