牛顿迭代法
..........\Debug
..........\.....\niudundiedai.exe
..........\.....\niudundiedai.ilk
..........\.....\niudundiedai.obj
..........\.....\niudundiedai.pch
..........\.....\niudundiedai.pdb
..........\.....\vc60.idb
..........\.....\vc60.pdb
..........\niudundiedai.cpp
..........\niudundiedai.dsp
..........\niudundiedai.dsw
..........\niudundiedai.ncb
..........\niudundiedai.opt
..........\niudundiedai.plg