matlabprediction.m

基于bp神经网络的货运量预测matlab实现

function Desired=PreDection()
inputpre=[733907 780941 840256 894914 940387 983860 976536 976004 990444 1038813;780941 840256 894914 940387 983860 976536 976004 990444 1038813 1056312;840256 894914 940387 983860 976536 976004 990444 1038813 1056312 1116324] ;
input=TransInput(inputpre);
disiredpre=[ 894914 940387 983860 976536 976004 990444 1038813 1056312 1116324];
desired=TransInput(disiredpre);
net=newff(minmax(input),[3,1],{'tansig','purelin'},'trainlm');
net.trainParam.show = 5;
net.trainParam.epochs = 300;
net.trainParam.goal = 1e-5;
[net,tr]=train(net,input,desired);
a=sim(net,p);
save zbd desired desered;
save zbd input input;
save zbd ouput a;