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[Octave-bug-tracker] [bug #32346] circshift of identity matrix shifts in
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From: |
John W. Eaton |
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Subject: |
[Octave-bug-tracker] [bug #32346] circshift of identity matrix shifts in wrong direction |
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Date: |
Fri, 04 Feb 2011 06:50:10 +0000 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.16) Gecko/20110107 Iceweasel/3.5.16 (like Firefox/3.5.16) |
Follow-up Comment #1, bug #32346 (project octave):
The reason there is a difference is that in Octave, eye(3) creates a diagonal
matrix object but [1,0,0;0,1,0;0,0,1] creates a full matrix. The diagonal
matrix type provides lower memory use and improved speed for some operations,
but you have uncovered a bug in the implementation.
I'm adding the author of the diagonal and permutation matrix objects to the
CC list for this report.
Jaroslav, can you please take a look at this problem?
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