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[Octave-bug-tracker] [bug #29768] logm fix

From: Marco Caliari
Subject: [Octave-bug-tracker] [bug #29768] logm fix
Date: Tue, 27 Jul 2010 09:52:00 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.11) Gecko/2009060214 Firefox/3.0.11 
Follow-up Comment #22, bug #29768 (project octave):

The diagonal blocks of real Schur are of the form

[alpha, beta;gamma, alpha]

with beta * gamma < 0 (otherwise there are real eigenvalues). Then, beta /
(beta - gamma) is always greater than zero.

Marco

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