Equations of a Curve

  • Thread starter jjj888
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  • #1
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Main Question or Discussion Point

I was wondering if anyone had a good method for creating an equation from a set of coordinates. Let's say I have a vase (hourglass shaped). I have x,y coordinates that map the outline of the shape to about a 0.05" tolerance. Is there some mathmatical process that I can use to, in effect "save" this curve in an equation. I tried regression, but the shape isn't exact and I am aware that there could be many equations that could potentialy follow those points.

There must be some way to do it.

Thanks
 

Answers and Replies

  • #2
mathman
Science Advisor
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Have you looked at B-splines? Look up "B spline surfaces" with Google or any search engine.
 
  • #3
23
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Thanks for the suggestion. I just discovered Bezier curves this weekend. I think they'll work for my purpose, although I'll keep the B splines in mind.

Thanks
 

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