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Re: spline derivatives

  • To: mathgroup at
  • Subject: [mg39293] Re: spline derivatives
  • From: christopherpurcell <christopherpurcell at>
  • Date: Sun, 9 Feb 2003 04:51:58 -0500 (EST)
  • Sender: owner-wri-mathgroup at

The Interpolation routine can be differentiated, and it will provide 
similar capability (piecewise polynomial interpolation) as SplineFit. 
To handle self intersecting space curves you will need to interpolate 
on each parametric coordinate separately.

> I fitted a curve (data points)  with the function SpllineFit and found 
> even
> spaced points in the spline with SplineEvenSamplePoints function  
> (Murray,
> [mg37649])  but I do no know how to estimate the derivative in each 
> point.
> Thanks for your attention
> Eduardo

Christopher Purcell
DRDC-Atlantic, 9 Grove St., PO Box 1012,
Dartmouth, NS Canada B2Y 3Z7
Tel: 902-426-3100-x389
Fax: 902-426-9654
chris.purcell at

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