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Re: mutivariable interpolation functions

  • To: mathgroup at
  • Subject: [mg29157] Re: [mg29152] mutivariable interpolation functions
  • From: steffenz at
  • Date: Fri, 1 Jun 2001 04:15:22 -0400 (EDT)
  • Sender: owner-wri-mathgroup at


I'm not quite shure about Your problem, but I think "a list of a list 
of a list" as you say is 4D objekt. ListInterpolation[] works only on 
a two dimensional grid (a list of lists).

Maybe I need more info to understand Your problem.


> Date:          Wed, 30 May 2001 23:28:38 -0400 (EDT)
> From:          adam_jurhs at (atjurhs)
To: mathgroup at
> To:            mathgroup at
> Subject: [mg29157]       [mg29152] mutivariable interpolation functions

> Essentially, I have a list of a list of a list (data in three dimensions) 
> and I want to be able to create an interpolation function (surface) for 
> the data, so that later on I can calculate derivatives over the surface 
> and that sort of stuff.  The built-in ListInterpolation function seems to 
> be working fine (so I think), but working with the resulting interpolated
> function of three variables seems to be where I'm stuck.  I don't know how
> to compute the derivatives along anyone of the axis (or the gradient) 
> because I don't know what variables the ListInterpolation function utilized.
> I can email the Mathematica notebook to anyone who would be willing to help.
Dipl.-Ing. Steffen Zozgornik

Institut für Licht- und Bautechnik
an der Fachhochschule Köln
Lustheide 85
D - 51 427 Bergisch Gladbach

Tel.: +49 - 2204 - 30 14 - 0 

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