%求基函數
function?m=blending_function（ikuknot_vector）
%?global?knot_vector
?%?global?n
????if?k==1
????????if?knot_vector（i）<=u&u????????????m=1;
????????????return;
????????else
????????????m=0;
????????????return;
????????end??

????else
?????????if?knot_vector（i）==1
????????????m=1;
????????????return
?????????elseif?knot_vector（i+k-1）==knot_vector（i）&knot_vector（i+k）==knot_vector（i+1）
????????????m=0;
????????????return;
????????elseif?knot_vector（i+k-1）==knot_vector（i）
????????????m=（knot_vector（i+k）-u）*blending_function（i+1k-1uknot_vector）/（knot_vector（i+k）-knot_vector（i+1））;
????????????return;
????????elseif?knot_vector（i+k）==knot_vector（i+1）
????????????m=（u-knot_vector（i））*blending_function（ik-1uknot_vector）/（knot_vector（i+k-1）-knot

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

?????文件???????1073??2009-11-24?22:15??NURBS曲面\blending_function.asv

?????文件???????1123??2009-11-24?22:23??NURBS曲面\blending_function.m

?????文件???????1113??2009-11-18?15:05??NURBS曲面\blending_function_u.m

?????文件???????1155??2009-11-18?15:21??NURBS曲面\blending_function_v.m

?????文件????????429??2009-11-18?15:20??NURBS曲面\compute_cp.m

?????文件????????238??2009-11-18?14:24??NURBS曲面\findspan.m

?????文件???????2969??2009-11-24?12:01??NURBS曲面\main_NURBS_surface.asv

?????文件???????3047??2009-11-24?14:53??NURBS曲面\main_NURBS_surface.m

?????文件???????3175??2009-11-25?14:10??NURBS曲面\main_NURBS_surface_test.asv

?????文件???????3004??2009-11-25?14:12??NURBS曲面\main_NURBS_surface_test.m

?????文件???????2669??2009-11-22?22:33??NURBS曲面\NURBS_surface.asv

?????文件???????2669??2009-11-22?22:33??NURBS曲面\NURBS_surface.m

?????文件????????197??2009-11-25?14:20??NURBS曲面\sub_Knot_vector1.asv

?????文件????????231??2009-11-25?14:20??NURBS曲面\sub_Knot_vector1.m

?????文件????????513??2009-11-22?22:03??NURBS曲面\test.asv

?????文件????????524??2009-11-22?22:05??NURBS曲面\test.m

?????文件?????268049??2009-11-24?11:16??NURBS曲面\W33=10.fig

?????目錄??????????0??2010-01-29?14:55??NURBS曲面

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

???????????????292178????????????????????18