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[Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf)
From: |
Marco Caliari |
Subject: |
[Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf) |
Date: |
Mon, 6 Nov 2017 03:42:36 -0500 (EST) |
User-agent: |
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:56.0) Gecko/20100101 Firefox/56.0 |
Follow-up Comment #12, bug #52285 (project octave):
I confirm all NaNs for the example in comment #9
>> inv (repmat (Inf, [1]))
Warning: Matrix is singular to working precision.
ans =
0
>> inv (repmat (Inf, [2,2]))
Warning: Matrix is singular, close to singular or badly scaled. Results may be
inaccurate. RCOND = NaN.
ans =
NaN NaN
NaN NaN
>> inv (repmat (Inf, [3,3]))
Warning: Matrix is singular, close to singular or badly scaled. Results may be
inaccurate. RCOND = NaN.
ans =
NaN NaN NaN
NaN NaN NaN
NaN NaN NaN
>> version
ans =
'9.3.0.713579 (R2017b)'
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- [Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf), Rik, 2017/11/01
- [Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf), Rik, 2017/11/03
- [Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf), Colin Macdonald, 2017/11/03
- [Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf), Rik, 2017/11/04
- [Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf), Michael Godfrey, 2017/11/04
- [Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf), Rik, 2017/11/04
- [Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf), Michael Godfrey, 2017/11/04
- [Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf), Colin Macdonald, 2017/11/06
- [Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf),
Marco Caliari <=
- [Octave-bug-tracker] [bug #52285] inv(0) gives 0 (instead of inf), Dmitri A. Sergatskov, 2017/11/06