Re: RationalApproximation

*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. Cheers, Scott -----Original Message----- 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. Bobby 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. >Cheers, Scott > > > > -- DrBob at bigfoot.com