untitled2.m

一些MATLAB的程序,,其中有BP神经网络集成的程序,在数据处理时采用归一化函数

 net = newff([-2 2],[4 1],{'tansig','purelin'},'trainlm','learngdm','msereg');
  p = [-2 -1 0 1 2];
       t = [0 1 1 1 0];
       y = sim(net,p)
       e = t-y
       net.performParam.ratio = 20/(20+1);
       perf = msereg(e,net)