clear all
load  51ET p t;           %加載樣本
pr(1:900,1)=0;
pr(1:900,2)=1;
net=newff(pr,[25 1],{'logsig' 'purelin'},'traingdx','learngdm'); %創建BP網絡
net.trainParam.epochs=3000;   %設置訓練步數
net.trainParam.goal=0.000000001;   %設置訓練目標
net.trainParam.show=10;       %設置訓練顯示格數
net.trainParam.lr=0.05        %設置訓練學習率
net=train(net,p,t);           %訓練BP網絡
save ET51net net;