[Octave-bug-tracker] [bug #61834] determinant segfaults for matrix

[Stephen Isard]

URL:
  <https://savannah.gnu.org/bugs/?61834>

                 Summary: determinant segfaults for matrix
                 Project: GNU Octave
            Submitted by: steve
            Submitted on: Sun 16 Jan 2022 08:56:00 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Segfault, Bus Error, etc.
                  Status: None
             Assigned to: None
         Originator Name: steve
        Originator Email: 
             Open/Closed: Open
                 Release: 5.2.0
         Discussion Lock: Any
        Operating System: GNU/Linux

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Details:

Load the matrix "bad" from the attached badmat.oct file with

>load('badmat.oct','bad');

The command

> det(bad)

then produces a seg fault.

The matrix is approximately eye(18)/70 with a bit of noise.  The 17x17 minors
of the matrix are ok.  det works and they can be inverted.



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File Attachments:


-------------------------------------------------------
Date: Sun 16 Jan 2022 08:56:00 PM UTC  Name: badmat.oct  Size: 3KiB   By:
steve

<http://savannah.gnu.org/bugs/download.php?file_id=52671>

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