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From: | A.R. Burgers |
Subject: | [Octave-bug-tracker] [bug #55256] Wrong result raise a non-diagonalizable matrix by a fractional exponent |
Date: | Fri, 21 Dec 2018 02:44:58 -0500 (EST) |
User-agent: | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Edge/16.16299 |
Follow-up Comment #2, bug #55256 (project octave): Here is what matlab does: >> version ans = '9.4.0.813654 (R2018a)' >> A=[1 1 1; 0 1 1; 0 0 1]; >> A^0.5 Warning: Matrix is close to singular or badly scaled. Results may be inaccurate. RCOND = 4.930381e-32. > In matlab.internal.math.mpower.viaEig (line 10) ans = 1 0 0 0 1 0 0 0 1 _______________________________________________________ Reply to this item at: <https://savannah.gnu.org/bugs/?55256> _______________________________________________ Message sent via Savannah https://savannah.gnu.org/
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