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MathGroup Archive 2005

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Re: inconsistency with Inequality testing and Floor

  • To: mathgroup at
  • Subject: [mg60178] Re: inconsistency with Inequality testing and Floor
  • From: Paul Abbott <paul at>
  • Date: Tue, 6 Sep 2005 01:26:49 -0400 (EDT)
  • Organization: The University of Western Australia
  • References: <> <demmfd$rf1$> <> <dfbf58$iom$>
  • Sender: owner-wri-mathgroup at

In article <dfbf58$iom$1 at>,
 Andrzej Kozlowski <andrzej at> wrote:

> And by the way, while  
> writing a review of Hans Stetter's "Numerical Polynomial Algebra", I  
> have found that  Mathematica's significance arithmetic with its  
> automatic precision tracking performs performs very well when  
> combined with   backward error based techniques that Stetter uses; in  
> fact quite a lot better than the other well known systems he was  
> using. I could even send you some examples of Matheamtica's  
> superiority but in view of the countless disputes on this topic that  
> you have initiated and that never get anywhere,   I think it would be  
> pointless. If you are interested you can read my review when it  
> appears in Math Reviews as actually discusses Mathematica's numerics.

This review may be of interest to readers of The Mathematica Journal. 
Perhaps a short discussion of this topic should appear in TMJ?


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)    

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