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MathGroup Archive 1996

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Expl. form of Interpolation[] ?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg3659] Expl. form of Interpolation[] ?
  • From: kraft at emma.bauwesen.uni-dortmund.de (Manfred Krafczyk)
  • Date: Tue, 2 Apr 1996 21:55:30 -0500
  • Organization: Universitaet Dortmund, Abteilung Bauwesen
  • Sender: owner-wri-mathgroup at wolfram.com

Dear All,
given a set of points in list={y1,y2,...,yk} one can use 
f=Interpolation[list] to get an implicit interpolation function
which can be plotted etc., but I did not find out how
to get the explicit polynomial f[x] which is implicitely generated
and used by calling f[x] (i.e. the coefficients
of the powers in 'x') in order to port this algebraic
expression into a C code for further use.
Any ideas welcome (preferably e-mail),
Thanks in advance
Manfred Krafczyk


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