NURBS matlab工具箱

matlab里可用的nurbs工具箱，可以用来进行生成nurbs曲线曲面。

function N = basisfun（iupU）                 
% BASISFUN  Basis function for B-Spline 
% ------------------------------------------------------------------------- 
% ADAPTATION of BASISFUN from C Routine 
% ------------------------------------------------------------------------- 
% 
% Calling Sequence: 
%  
%   N = basisfun（iupU） 
%    
%    INPUT: 
%    
%      i - knot span  （ from FindSpan（） ） 
%      u - parametric point 
%      p - spline degree 
%      U - knot sequence 
%    
%    OUTPUT: 
%    
%      N - Basis functions vector[p+1] 
%    
%    Algorithm A2.2 from ‘The NURBS BOOK‘ pg70. 
                                                 
                                                  %   void basisfun（int i double u int p double *U double *N） { 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件        1331  2010-01-16 00:12  license.txt
     目录           0  2010-01-16 14:30  nurbs_toolbox\
     文件        2430  2010-01-16 14:24  nurbs_toolbox\basisfun.m
     文件       20521  2010-01-16 14:33  nurbs_toolbox\bspdegelev.m
     文件        2947  2010-01-16 14:33  nurbs_toolbox\bspderiv.m
     文件        3314  2010-01-16 14:32  nurbs_toolbox\bspeval.m
     文件        5698  2010-01-16 14:32  nurbs_toolbox\bspkntins.m
     文件        2019  2010-01-16 14:32  nurbs_toolbox\Contents.m
     文件         594  2010-01-16 14:32  nurbs_toolbox\deg2rad.m
     文件         259  2010-01-16 14:31  nurbs_toolbox\demo4surf.m
     文件         311  2010-01-16 14:31  nurbs_toolbox\democirc.m
     文件         966  2010-01-16 14:31  nurbs_toolbox\democoons.m
     文件         604  2010-01-16 14:31  nurbs_toolbox\democurve.m
     文件         282  2010-01-16 14:31  nurbs_toolbox\democylind.m
     文件         526  2010-01-16 14:31  nurbs_toolbox\demodegelev.m
     文件         571  2010-01-16 14:31  nurbs_toolbox\demodercrv.m
     文件         857  2010-01-16 14:30  nurbs_toolbox\demodersrf.m
     文件         404  2010-01-16 14:30  nurbs_toolbox\demoellip.m
     文件         763  2010-01-16 14:40  nurbs_toolbox\demogeom.m
     文件         637  2010-01-16 14:40  nurbs_toolbox\demohelix.m
     文件         577  2010-01-16 14:40  nurbs_toolbox\demokntins.m
     文件         216  2010-01-16 14:40  nurbs_toolbox\demoline.m
     文件         245  2010-01-16 14:40  nurbs_toolbox\demorect.m
     文件         917  2010-01-16 14:40  nurbs_toolbox\demorevolve.m
     文件         427  2010-01-16 14:40  nurbs_toolbox\demoruled.m
     文件        1347  2010-01-16 14:40  nurbs_toolbox\demos.m
     文件         518  2010-01-16 14:40  nurbs_toolbox\demotorus.m
     文件        2128  2010-01-16 14:39  nurbs_toolbox\findspan.m
     文件        1374  2010-01-16 14:39  nurbs_toolbox\nrb4surf.m
     文件        2350  2010-01-16 14:39  nurbs_toolbox\nrbcirc.m
     文件        4072  2010-01-16 14:39  nurbs_toolbox\nrbcoons.m
............此处省略30个文件信息