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Re: Table Lookup

  • To: mathgroup at yoda.physics.unc.edu
  • Subject: Re: Table Lookup
  • From: keiper
  • Date: Thu, 14 Oct 93 10:09:54 CDT

	> What's the most efficent way to do a table lookup and linear
	> interpolation?

My guess would be that 

	data = {{1, 2}, {2, 3}, {3, 3}, {4, 2}, {5, 2}};
	intfunc = Interpolation[data, InterpolationOrder -> 1]
	intfunc[2.5]

would be about as efficient as you can get.

(Of course it would probably be better to use a more sparse data
table and higher order interpolation.)

Jerry B. Keiper
keiper at wri.com
Wolfram Research, Inc.





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