function?Nik_u?=?baseFunction（i?k??u?NodeVector）
%?計算基函數Nik（u）NodeVector為節點向量

if?k?==?0???????%?0次B樣條
????if?（u?>=?NodeVector（i+1））?&&?（u?????????Nik_u?=?1.0;
????else
????????Nik_u?=?0.0;
????end
else
????Length1?=?NodeVector（i+k+1）?-?NodeVector（i+1）;
????Length2?=?NodeVector（i+k+2）?-?NodeVector（i+2）;??????%?支撐區間的長度
????if?Length1?==?0.0???????%?規定0/0?=?0
????????Length1?=?1.0;
????end
????if?Length2?==?0.0
????????Length2?=?1.0;
????end
????Nik_u?=?（u?-?NodeVector（i+1））?/?Length1?*?baseFunction（i?k-1?u?NodeVector）?...
????????+?（NodeVector（i+k+2）?-?u）?/?Length2?*?baseFunction（i+1?k-1?u?NodeVector）;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????684??2015-03-11?20:51??matlab繪制B樣條曲面代碼\baseFunction.m

?????文件????????448??2016-05-01?11:21??matlab繪制B樣條曲面代碼\main.m

?????文件????????445??2016-05-01?11:51??matlab繪制B樣條曲面代碼\Surf_PlotCtrlMesh.m

?????文件???????9644??2016-05-02?11:19??matlab繪制B樣條曲面代碼\Surf_PlotSubMesh.m

?????文件????????689??2015-03-07?19:32??matlab繪制B樣條曲面代碼\U_piecewise_Bezier.m

?????文件????????511??2015-03-04?16:45??matlab繪制B樣條曲面代碼\U_quasi_uniform.m

?????目錄??????????0??2016-05-02?11:25??matlab繪制B樣條曲面代碼

-----------?---------??----------?-----??----

????????????????12421????????????????????7