Re: polynomial approximation for twenty data points
- To: mathgroup at smc.vnet.net
- Subject: [mg19841] Re: polynomial approximation for twenty data points
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Sun, 19 Sep 1999 01:20:26 -0400
- Organization: Universitaet Leipzig
- References: <email@example.com>
- Sender: owner-wri-mathgroup at wolfram.com
what means utilized for your case. Mathematica's Interpolation
will do what you want.
otherwise, if you need an interpolation in your own C/Fortran code,
the answer is not so simple as it seems.
a) you can use a Lagrange interpolation but for 20 points
it will probably an oscillating function and not usable for
b) you can make a cubic spline approximation, that uses picewise third
or one of the other 1001 interpolation algorithms. Look at netlib.org
for a code.
Hope that helps
arthur p rohr wrote:
> hello is there any programs on the web that can be down loaded and
> utilized for my case?
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