GNU bug report logs - #41223
28.0.50; Calc gives wrong determinant for some matrices with symbolic variables

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Package: emacs;

Reported by: Mauro Aranda <maurooaranda <at> gmail.com>

Date: Tue, 12 May 2020 23:26:02 UTC

Severity: normal

Found in version 28.0.50

Done: Mattias Engdegård <mattiase <at> acm.org>

Bug is archived. No further changes may be made.

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Message #19 received at 41223 <at> debbugs.gnu.org (full text, mbox):

From: Mattias Engdegård <mattiase <at> acm.org>
To: Mauro Aranda <maurooaranda <at> gmail.com>
Cc: 41223 <at> debbugs.gnu.org
Subject: Re: bug#41223: 28.0.50; Calc gives wrong determinant for some
 matrices with symbolic variables
Date: Thu, 14 May 2020 11:56:47 +0200

By the way, the change also fixes inversion of matrices such as the one in your example. Previously, Calc would (erroneously) complain that the matrix was singular.
This bug report was last modified 5 years and 11 days ago.

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