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Multivariate interpolation [message #11666]

Tue, 19 May 1998 00:00

Philippe Peeters
Messages: 14
Registered: April 1996

Junior Member

Hi,

I'm looking for an IDL code (or a basic algorithm) to perform a
multivariate interpolation.

Basicaly, I have a N-dimensional lookup table F(X1,X2,...,XN) and, given
a vector value X=(X10, X20,..,XN0) in this space I want to interpolate
the function F at X. IDL can do this in 1 and 2 dimension (INTERPOLATE
and BILINEAR) but nothing for N dimensions.

BTW, MATLAB has a routine like that (INTERPN).

--
Philippe Peeters
------------------------------------------------------------ ------------
Belgian Institute for Space Aeronomy Tel: +32-2-373.03.81
Institut d'Aeronomie Spatiale de Belgique Fax: +32-2-374.84.23
3 Avenue Circulaire Email: philp@oma.be
B-1180 Brussels, Belgium http://www.oma.be/BIRA-IASB/

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