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MathGroup Archive 2005

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Re: MiniMaxApproximation question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg62017] Re: MiniMaxApproximation question
  • From: michael_chang86 at hotmail.com
  • Date: Wed, 9 Nov 2005 03:45:33 -0500 (EST)
  • References: <dkhlve$2d9$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Jose,

Many thanks for your response and help; I tried the Padé approximation
routine, and this is 'better', but I'm still seeking the ubiquitous
Chebyshev 'equioscillation' (or 'alternation') behaviour in terms of
*absolute* error.

Am I missing something simple here <doh!>?  For what I am seeking
(equioscillation), it appears that Mathematica only optimizes for
*relative* error.  Have I missed a more basic command that does what I
want?

Thanks,

Michael

Jose Luis Gomez wrote:
> Michael
> I am not sure, but I think that the standard AddOn <<Calculus`Pade` might be
> useful for you. See this link:
>
> http://documents.wolfram.com/mathematica/Add-onsLinks/StandardPackages/Calcu
> lus/Pade.html 
> 
> Hope that helps 
> Jose
> 

<Snip>


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