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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 11:32:12 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/2009060214 Firefox/3.0.11

Follow-up Comment #24, bug #29768 (project octave):

I agree that rsf2csf should only check that UR and TR are square and of the
same dimension.

Coming back to logm, I see that m==16 for the Pade' approximation. In
algorithm 11.9 of the book "Function of matrices" by N. Higham there is a
simple strategy to reduce m to 7 at most. This would reduce a lot the cost of
Pade' approximation.

Do we need a written permission to use it?



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