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From: | Jay Belanger |
Subject: | Re: Non-Commutative calculations in Calc, Revisited |
Date: | Thu, 06 Oct 2005 08:16:15 -0500 |
User-agent: | Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) |
Neon Absentius <absent@sdf.lonestar.org> writes: > When in non-commutative (aka `matrix') mode calc calculates > (a b)^-1 to be a^-1 b^-1 instead of the correct b^-1 a^-1. > > Actually there is a more general bug. It calculates (a b)^n > to be a^n b^n. I think this rule should be removed when a and > be don't commute. Furthermore a special rule should be included > that deals with the case n=-1. Yes; you're right. Fixes should be commited to cvs tomorrow afternoon at the latest. Thanks, Jay
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