%?baseFunction.m文件
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????????706??2019-04-25?16:02??draw_bspline\baseFunction.m

?????文件??????21128??2019-04-28?20:41??draw_bspline\curve2.fig

?????文件???????2442??2019-04-30?15:07??draw_bspline\curve2.m

?????文件????????687??2019-04-30?15:02??draw_bspline\delete_point.m

?????文件???????1617??2019-04-29?11:34??draw_bspline\drag_point.m

?????文件???????1062??2019-04-25?16:53??draw_bspline\DrawSpline.m

?????文件????????703??2019-04-25?16:28??draw_bspline\U_piecewise_Bezier.m

?????文件????????538??2019-04-25?16:02??draw_bspline\U_quasi_uniform.m

?????目錄??????????0??2019-04-30?15:08??draw_bspline

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

????????????????28883????????????????????9