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[Octave-bug-tracker] [bug #30571] expm of diagonal matrices

From: Marco Caliari
Subject: [Octave-bug-tracker] [bug #30571] expm of diagonal matrices
Date: Wed, 28 Jul 2010 08:14:07 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/2009060214 Firefox/3.0.11


                 Summary: expm of diagonal matrices
                 Project: GNU Octave
            Submitted by: caliari
            Submitted on: Wed 28 Jul 2010 08:14:06 AM GMT
                Category: None
                Severity: 3 - Normal
              Item Group: Feature Request
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.3.51
        Operating System: GNU/Linux



With the enclosed patch against 3.3.51, expm will reduce to exp on diagonal
matrices. By the way, do we really need three comparisons to check if a matrix
is diagonal?



File Attachments:

Date: Wed 28 Jul 2010 08:14:06 AM GMT  Name: expm.m.diff  Size: 459B   By:



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