Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail From: Joe Riel Newsgroups: comp.soft-sys.math.maple Subject: Re: (in iroot) powering may produce overflow Date: Tue, 31 Jan 2012 08:52:09 -0800 Organization: A noiseless patient Spider Lines: 44 Message-ID: <877h07zufa.fsf@san.rr.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: mx04.eternal-september.org; posting-host="fkgjSOZ+03w83W7QjZBmIg"; logging-data="29936"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+iiqtqMHbPB89bVZocXb2x" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) Cancel-Lock: sha1:j6avLlGL85OxONiVc/YArS9BWp8= sha1:cYpgx2UmqTDUxs+v/oYOVY4G6cM= Xref: x330-a1.tempe.blueboxinc.net comp.soft-sys.math.maple:339 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