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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: #<Y.+: net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd'); Hs)] net.trainParam.show = 50; K21Xx`XK net.trainParam.lr = 0.05; ),{3LIr net.trainParam.epochs = 300; W,~*pyLdO net.trainParam.goal = 1e-5; I0Do% p = [-1 -1 2 2;0 5 0 5]; L~ax`i1:" t = [-1 -1 1 1]; "dCIg{j net=train(net,p,t); 4AhFE@ TRAINGD, Epoch 0/300, MSE 1.59423/1e-05, Gradient 2.76799/1e-10 rv[BL.qV TRAINGD, Epoch 50/300, MSE 0.00236382/1e-05, Gradient 0.0495292/1e-10 <vl(a*4a TRAINGD, Epoch 100/300, MSE 0.000435947/1e-05, Gradient 0.0161202/1e-10 :(enaHn#~ TRAINGD, Epoch 150/300, MSE 8.68462e-05/1e-05, Gradient 0.00769588/1e-10 AkW,Fp1e TRAINGD, Epoch 200/300, MSE 1.45042e-05/1e-05, Gradient 0.00325667/1e-10 *4~7p4[ TRAINGD, Epoch 211/300, MSE 9.64816e-06/1e-05, Gradient 0.00266775/1e-10 {W?!tD43" TRAINGD, Performance goal met. 05ZYOs } a = sim(net,p) c+{XP&g8_J plot(p,t,p,a,'o') `_vPElQXZ# 但是为什么老是报错: _3
[E$Lg ??? Input argument "net" is undefined. m@nGXl'!
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