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: sP=2NqU3Q
net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd'); ~j\;e
net.trainParam.show = 50; $]`'Mi
net.trainParam.lr = 0.05; |ij W_r
net.trainParam.epochs = 300; j8F~j?%!
net.trainParam.goal = 1e-5; oC;l5v<
p = [-1 -1 2 2;0 5 0 5]; 'ocwXyP,
t = [-1 -1 1 1]; '{1W)X
net=train(net,p,t); gGceK^#
TRAINGD, Epoch 0/300, MSE 1.59423/1e-05, Gradient 2.76799/1e-10 Ynt&cdK9
TRAINGD, Epoch 50/300, MSE 0.00236382/1e-05, Gradient 0.0495292/1e-10 'bQs_
TRAINGD, Epoch 100/300, MSE 0.000435947/1e-05, Gradient 0.0161202/1e-10 bE%mgaOh
TRAINGD, Epoch 150/300, MSE 8.68462e-05/1e-05, Gradient 0.00769588/1e-10 }*{\)7g
TRAINGD, Epoch 200/300, MSE 1.45042e-05/1e-05, Gradient 0.00325667/1e-10 U(=f5|-
TRAINGD, Epoch 211/300, MSE 9.64816e-06/1e-05, Gradient 0.00266775/1e-10 rA>R`
TRAINGD, Performance goal met. jn#N7%{Mk
a = sim(net,p) !F}J+N=}
plot(p,t,p,a,'o') P"[l86:
但是为什么老是报错: }(hYG"5
??? Input argument "net" is undefined. ~]D\&D9=?