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Groups > comp.soft-sys.math.maple > #339

Re: (in iroot) powering may produce overflow

From Joe Riel <joer@san.rr.com>
Newsgroups comp.soft-sys.math.maple
Subject Re: (in iroot) powering may produce overflow
Date 2012-01-31 08:52 -0800
Organization A noiseless patient Spider
Message-ID <877h07zufa.fsf@san.rr.com> (permalink)
References <jg9010$3fn$1@speranza.aioe.org>

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mathar@dommel.strw.leidenuniv.nl (Richard Mathar) writes:

> Has anyone seen this before and is there a way to avoid this error:
>     |\^/|     Maple 14 (X86 64 LINUX)
> ._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
>  \  MAPLE  /  All rights reserved. Maple is a trademark of
>  <____ ____>  Waterloo Maple Inc.
>       |       Type ? for help.
>> Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
>                                                                2     2    2 2
>                                                         2   (Ri  - Rj  - c )
>                                                       Ri  - -----------------
>                                                                      2
>                                                                   4 c
>
>> factor(%) ;
> Error, (in iroot) powering may produce overflow
>
> This seems to be new when combining Maple 14 with a Fedora 16 system.

It works for me on a Debian system with Maple14 and 15:

    |\^/|     Maple 14 (X86 64 LINUX)
._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2010
 \  MAPLE  /  All rights reserved. Maple is a trademark of
 <____ ____>  Waterloo Maple Inc.
      |       Type ? for help.
(**) Ri^2-(Ri^2-Rj^2-c^2)^2/(2*c)^2 ;
                                     2     2    2 2
                              2   (Ri  - Rj  - c )
                            Ri  - -----------------
                                           2
                                        4 c

(**) factor(%) ;                     
                  2     2    2               2     2             2
              (-Rj  + Ri  - c  - 2 Ri c) (-Rj  + Ri  + 2 Ri c - c )
            - -----------------------------------------------------
                                         2
                                      4 c


-- 
Joe Riel

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Thread

(in iroot) powering may produce overflow mathar@dommel.strw.leidenuniv.nl (Richard Mathar) - 2012-01-31 15:06 +0000
  Re: (in iroot) powering may produce overflow Joe Riel <joer@san.rr.com> - 2012-01-31 08:52 -0800
  Re: (in iroot) powering may produce overflow Axel Vogt <&noreply@axelvogt.de> - 2012-01-31 19:20 +0100
  Re: (in iroot) powering may produce overflow Thomas Richard <trichard@maplesoft.com> - 2012-02-01 01:08 -0800
  Re: (in iroot) powering may produce overflow mathar@dommel.strw.leidenuniv.nl (Richard Mathar) - 2012-02-02 11:31 +0000
  Re: (in iroot) powering may produce overflow des.johnston@gmail.com - 2012-05-18 03:11 -0700
    Re: (in iroot) powering may produce overflow Joe Riel <joer@san.rr.com> - 2012-05-18 07:48 -0700
      Re: (in iroot) powering may produce overflow "Nasser M. Abbasi" <nma@12000.org> - 2012-05-18 17:44 -0500
        Re: (in iroot) powering may produce overflow "G. A. Edgar" <edgar@math.ohio-state.edu.invalid> - 2012-05-19 05:49 -0600
  Re: (in iroot) powering may produce overflow acer <maple@rogers.com> - 2012-05-19 13:34 -0700
  Re: (in iroot) powering may produce overflow rno@cs.uni.wroc.pl - 2012-05-26 04:17 -0700
    Re: (in iroot) powering may produce overflow rno@cs.uni.wroc.pl - 2012-05-29 13:31 -0700
      Re: (in iroot) powering may produce overflow "Nasser M. Abbasi" <nma@12000.org> - 2012-05-30 23:58 -0500
        Re: (in iroot) powering may produce overflow Ezesez Geza <ezesezgeza@gmail.com> - 2012-06-05 07:39 -0700
          Re: (in iroot) powering may produce overflow Ezesez Geza <ezesezgeza@gmail.com> - 2012-06-05 07:54 -0700
            Re: (in iroot) powering may produce overflow tvinar@gmail.com - 2013-04-11 08:08 -0700

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