bugGNU Octave - Bugs: bug #36964, incorrect low-rank product of...

 
 

bug #36964: incorrect low-rank product of sliced diagonal matrices

Submitted by:  None
Submitted on:  Thu 26 Jul 2012 01:51:20 PM UTC  
 
Category: NoneSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Incorrect Result
Status: InvalidAssigned to: None
Originator Name: André GaulOriginator Email: -unavailable-
Open/Closed: ClosedRelease: 3.2.4
Operating System: GNU/Linux

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Thu 26 Jul 2012 01:59:14 PM UTC, comment #1:

Update to a newer Octave version. This bug has since been fixed.

Since you're probably using Ubuntu, try these:

http://octave.org/wiki/Octave_for_GNU_Linux:_Binary_Octave_packages_for_GNU_Linux#Unofficial_binaries

The PPAs are the best option.

Jordi Gutiérrez Hermoso <jordigh>
Project Administrator
Thu 26 Jul 2012 01:51:20 PM UTC, original submission:

In Octave 3.2.4 the product of 2 sliced diagonal matrices yields a wrong result:
The result should be [1,0;0,0] and indeed it is correct if full() is applied in the construction of I:

Anonymous

 

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    Follow 2 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Thu 26 Jul 2012 01:59:14 PM UTCjordighStatusNone=>Invalid
      Open/ClosedOpen=>Closed

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