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[Octave-bug-tracker] [bug #51270] isdefinite should return 0 for zero ma
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From: |
Marco Caliari |
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Subject: |
[Octave-bug-tracker] [bug #51270] isdefinite should return 0 for zero matrices |
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Date: |
Tue, 20 Jun 2017 03:23:43 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:54.0) Gecko/20100101 Firefox/54.0 |
Follow-up Comment #2, bug #51270 (project octave):
According to the documentation, isdefinite should return 0 for semi-definite
matrices (any zeros (n), for instance). Travis' patch addresses this issue. On
the other hand, I think
isdefinite ([1, 0; 0, 0], 0)
should also return 0. I don't know how to get it without computing the
eigenvalues.
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