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weihanjun

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[求助] BP网络中用trainlm函数,结果出现问题

>> p=[650 650 650 700 700 700 750 750 750;
  90 120 150 90 120 150 90 120 150;
  4 2 6 2 6 4 6 4 2];
t=[95.6
  243.8
  360.2
  335.9
  480.4
  336.2
  414.6
  389.4
  498.7];
[pn,minp,maxp,tn,mint,maxt]=premnmx(p,t);
dx=[-1,1];
net=newff(dx,[3,7,1],{'tansig','purelin'},'trainlm');
net.trainParam.show=1000;
net.trainParam.Lr=0.05;
net.trainParam.epochs=10000;
net.trainParam.goal=0.5*10^(-3);
net=train(net,pn,tn);
an=sim(net,pn);
a=postmnmx(net,pn,tn);
Sample Text

[ Last edited by weihanjun on 2013-10-24 at 11:27 ]
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