Re: MiniMaxApproximation question
- To: mathgroup at smc.vnet.net
- Subject: [mg62662] Re: MiniMaxApproximation question
- From: Paul Abbott <paul at physics.uwa.edu.au>
- Date: Wed, 30 Nov 2005 05:40:36 -0500 (EST)
- Organization: The University of Western Australia
- References: <dkhlve$2d9$1@smc.vnet.net> <dksdoi$h8n$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <dksdoi$h8n$1 at smc.vnet.net>, michael_chang86 at hotmail.com wrote: > 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? Surely MiniMaxApproximation in the NumericalMath`Approximations` is what you are after? Cheers, Paul _______________________________________________________________________ Paul Abbott Phone: 61 8 6488 2734 School of Physics, M013 Fax: +61 8 6488 1014 The University of Western Australia (CRICOS Provider No 00126G) AUSTRALIA http://physics.uwa.edu.au/~paul