5 最小二乘法的曲线拟合
......................\004.cpp
......................\004.dsp
......................\004.dsw
......................\004.ncb
......................\004.opt
......................\004.plg
......................\Debug
......................\.....\004.exe
......................\.....\004.ilk
......................\.....\004.obj
......................\.....\004.pch
......................\.....\004.pdb
......................\.....\vc60.idb
......................\.....\vc60.pdb
......................\in4.txt
......................\out4.txt