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[Octave-patch-tracker] [patch #9669] bloc preconditionned conjugate grad

From: anonymous
Subject: [Octave-patch-tracker] [patch #9669] bloc preconditionned conjugate gradient
Date: Wed, 11 Jul 2018 05:39:38 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/66.0.3359.181 Chrome/66.0.3359.181 Safari/537.36


                 Summary: bloc preconditionned conjugate gradient
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Wed 11 Jul 2018 09:39:36 AM UTC
                Category: Core : new feature
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any




I have adapted the pcg function to accept bloc right hand sides. A bit of
cleaning is still needed (as for example reducing the number of unneeded calls
to pinv). As well as a bit of testing.
As this has for effect to slightly increase CPU cost for simple right hand
sides, I created an independant function, but if you prefer, it can easily be
integrated into the default pcg.

Are you interested in such a function ?



File Attachments:

Date: Wed 11 Jul 2018 09:39:36 AM UTC  Name: bpcg.m  Size: 21KiB   By: None



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