- To: mathgroup at smc.vnet.net
- Subject: [mg55025] Re: [mg55003] RationalApproximation
- From: "Scott Guthery" <sguthery at mobile-mind.com>
- Date: Thu, 10 Mar 2005 05:24:24 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
My bad. RationalInterpolation. The docs say:
"There are two ways of using RationalInterpolation. If you just specify
a range in the independent variable, then the set of values is chosen
automatically in a way that ensures a reasonable approximation for the
degree of approximation you have chosen."
The question is what is the set of values was chosen automatically.
From: DrBob [mailto:drbob at bigfoot.com]
To: mathgroup at smc.vnet.net
Subject: [mg55025] Re: [mg55003] RationalApproximation
I find no such function in Help for version 5.1.1, and no match for it
at WRI's documentation center. If searches like this always worked (but
they don't), that would mean there is no such function. You may have to
tell us what package the function comes from, before we can find any
clues on it.
The Calculus`Pade` package has EconomizedRationalApproximation and
NumericalMath`Approximations` has a similar function called
RationalInterpolation, but I see no sign that either of them "ends up
using" any set of points at all.
On Wed, 9 Mar 2005 06:34:28 -0500 (EST), Scott Guthery
<sguthery at mobile-mind.com> wrote:
> Is there any way to get RationalApproximation n automatic mode to give
you back the set of points that it ended up using?
>Thanks for any insight.
DrBob at bigfoot.com
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