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From: tgralewi@ti-csl
Newsgroups: net.math
Subject: Wanted: 2D interpolation
Message-ID: <8400001@ti-csl>
Date: Fri, 24-Jan-86 11:57:00 EST
Article-I.D.: ti-csl.8400001
Posted: Fri Jan 24 11:57:00 1986
Date-Received: Thu, 30-Jan-86 05:39:12 EST
Lines: 30
Nf-ID: #N:ti-csl:8400001:000:1128
Nf-From: ti-csl!tgralewi    Jan 24 10:57:00 1986


  I am looking for information on 2 dimmentional interpolation
formulas/systems.
  I have a set of measured points from a function of the form:

      A = f(x,y)

  The interpolation sould go through each point exactly, the precision
of the original is about 3 digits and the output only needs to be about
2 digits.

  I have no information about the function other than an array of points
equaly spaced in x and y.  What I need is to be able to interpolate for
any point (x,y) in real time.  I have a somewhat unlimited pre-use time
(i.e. I can masage the data all I want before taking it into the realtime
aplication).  I am running in realtime on a VAX with a floating point
accelarator so I can handle a reasonable complex formula, what I cann't 
do is use an iterative technique.

  Any help would be appreciated, I have yet to make a trip to the local
university library so titles of recomended books would help.

  Please respond directly to me, if there is any other interest I will
copy to those individuals.

  Thansk in advance.

           Tom Gralewicz

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