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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From: Mauro Aranda <maurooaranda <at> gmail.com>
To: Mattias Engdegård <mattiase <at> acm.org>
Cc: 41223 <at> debbugs.gnu.org
Subject: bug#41223: 28.0.50; Calc gives wrong determinant for some matrices with symbolic variables
Date: Thu, 14 May 2020 08:49:51 -0300

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

> 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.

Ah, yes.  I tested that, but forgot to include it in the bug report.

Thanks again!

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This bug report was last modified 5 years and 11 days ago.

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