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Re: Change coordinate into parametric form


Hi,

> 
> First of all ,I would like to ask about the steps of how to change
> coordinate (x,y,z) into parametric form using Mathematica.

Do you mean a global parameter representation of a set of implicit
equations ? How many equations ?

> 
> Secondly, can Mathematica use to draw Non Uniform Rational
> B-Spline(NURBS)? If can, could u please tell me the steps to take.

You can program it by your self but Mathematica has no 
NURBS Build-In function. Mathematica can only display polygons.

Regards
  Jens


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