bpnet.m

来自「做时间序列预测的svm程序」· M 代码 · 共 18 行

function net=BPNET(XX,YY)
%--------------------------------------------------------------------------
%  BPNET.m
%  创建并训练BP神经网络
%--------------------------------------------------------------------------
%数据归一化预处理
nntwarn off
XX=premnmx(XX);
YY=premnmx(YY);
%创建网络
net=newff(minmax(XX),[19,25,1],{'tansig','tansig','purelin'},'trainlm');
%设置训练参数
net.trainParam.show=1;
net.trainParam.lr=1;
net.trainParam.epochs=50;
net.trainParam.goal=0.001;
%训练网络
net=train(net,XX,YY);