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| From: | Doug Stewart |
| Subject: | [Octave-bug-tracker] [bug #51401] inv() function gives incorrect results, even for invertible 2x2 matrix |
| Date: | Thu, 6 Jul 2017 07:24:36 -0400 (EDT) |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36 |
Follow-up Comment #1, bug #51401 (project octave):
on ubuntu and octave 4.2.1 fecca33388f747
I get
A = [1,1+1j;1-1j,3];
>> inv(A)
ans =
3 + 0i -1 - 1i
-1 + 1i 1 - 0i
>> inv(ans)
ans =
1.0000 + 0.0000i 1.0000 + 1.0000i
1.0000 - 1.0000i 3.0000 - 0.0000i
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