[求助]新手求助~（關(guān)于初級(jí)的神經(jīng)網(wǎng)絡(luò)問題） [復(fù)制鏈接]

各位大蝦，我在網(wǎng)上看到的教程里的一個(gè)程序段，本來想要試試看的： >DUTmJxv  
net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd'); qFK.ULgP`  
net.trainParam.show = 50; Xy%||\P{)  
net.trainParam.lr = 0.05; IIih9I`IR  
net.trainParam.epochs = 300; =.7tS'  
net.trainParam.goal = 1e-5; 5+11J[~{  
p = [-1 -1 2 2;0 5 0 5]; yuy\T(7BN  
t = [-1 -1 1 1]; ]\KVA)\  
net=train(net,p,t); h]h"-3  
TRAINGD, Epoch 0/300, MSE 1.59423/1e-05, Gradient 2.76799/1e-10 nShXY6bA  
TRAINGD, Epoch 50/300, MSE 0.00236382/1e-05, Gradient 0.0495292/1e-10 24nNRTI  
TRAINGD, Epoch 100/300, MSE 0.000435947/1e-05, Gradient 0.0161202/1e-10 5
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