neural network ..............\BP.m ..............\calculateBP.m ..............\dtransfer.m ..............\mainBP.m ..............\mainBP5.m ..............\mainbatchBP.m ..............\mainper.m ..............\mianBP4.m ..............\perception.m ..............\setosa.mat ..............\transfer.m ..............\versicolor.mat ..............\virginica.mat ..............\xorowner.m