File list (Check if you may need any files):
数据拟合程序\calcjiajiao.m
............\calcjiaodian.m
............\contrast_4picture_piecewise.m
............\contrast_linearfittingZonghe.m
............\piecewiselinearfitting.m
............\ymaxlinedataboy.mat
............\ymaxlinedatadoor.mat
............\ymaxlinedatafamily.mat
............\ymaxlinedatariver.mat
............\ymaxlinedatawoman.mat
............\yminlinedataboy.mat
............\yminlinedatadoor.mat
............\yminlinedatafamily.mat
............\yminlinedatariver.mat
............\yminlinedatawoman.mat
数据拟合程序