File list (Check if you may need any files):
leastsquares
............\aa1.m
............\cn.m
............\curvefun1.m
............\curvefun2.m
............\curvefun3.m
............\dianzu1.m
............\dianzu2.m
............\fzxec1.m
............\fzxec2.m
............\lihe1.m
............\lihe2.m
............\ll.m
............\llgj1.m
............\llgj2.m
............\llgj3.m
............\llgj34.m
............\llgj4.m
............\llgj56.m
............\llgjz.m
............\zxec1.m
............\zxec2.m