Thanks,
To be honest, after 10 years I had rather forgotten about this
problem!
Cheers,
Mark
On Wed, 2015-04-15 at 09:03 +, Páll Haraldsson wrote:
** Summary changed:
- ehernet problem
+ ethernet problem
--
Dr. Mark Poolman
Senior Research Fellow
Cell Systems Modelling Group
Status: Unknown
** Changed in: python-numeric (Ubuntu)
Importance: Undecided = Medium
Status: New = Confirmed
--
Dr. Mark Poolman
Senior Research Fellow
Cell Systems Modelling Group
School of Life Science
Oxford Brookes University
--
bad exit() from
/+bug/134277 (which is why I'd
fallen back to numarray in the first place ;-) ).
Cheers,
Mark
--
Dr. Mark Poolman
Senior Research Fellow
Cell Systems Modelling Group
School of Life Science
Oxford Brookes University
--
bad exit() from LinearAlgebra.singular_value_decomposition
https
elegant solution, it does yield a tolerable performance, so maybe I
should just stick with that.
/best/*
Mark
--
Dr. Mark Poolman
Senior Research Fellow
Cell Systems Modelling Group
School of Life Science
Oxford Brookes University
--
bad exit() from LinearAlgebra.singular_value_decomposition
https
** Attachment added: BadSVD.py.gz
http://launchpadlibrarian.net/12180405/BadSVD.py.gz
--
bad exit() from LinearAlgebra.singular_value_decomposition
https://bugs.launchpad.net/bugs/195396
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to
Public bug reported:
Certain medium size (e.g. ~50x100) matrices cause
LinearAlgebra.singular_value_decomposition() to exit python completely
with the message:
** On entry to DGESDD parameter number 12 had an illegal value
This only seems to happens when the full_matrices parameter is
This appears to be the unresolved bug posted here:
http://sourceforge.net/tracker/index.php?func=detailaid=923048group_id=1369atid=450446
--
bad exit() from LinearAlgebra.singular_value_decomposition
https://bugs.launchpad.net/bugs/195396
You received this bug notification because you are a
Sure, it was my error, and I reported it as such ages ago.
I thought this was long closed.
On Mon, 2007-10-08 at 15:42 +, marcogoni wrote:
It was a user error so I am marking it as invalid
** Changed in: linux-source-2.6.15 (Ubuntu)
Status: New = Invalid
--
Dr. Mark Poolman
On Tue, 2007-09-04 at 14:19 +, Cesare Tirabassi wrote:
Thanks Mark, super job!
Unfortunately this means, unless there is some #ifdefine in ATLAS which
branches as a function of the compiler, that this is a compiler bug.
Would I be asking too much, if I'd ask you to check with the latest
On Mon, 2007-09-03 at 15:58 +, Cesare Tirabassi wrote:
I was thinking more about the compiler change, which testing -19 could
have confirmed.
OK, so after a bit of a battle (had to do a manual build), compiling -19
using gcc3.4.6/dapper, the problem is _absent_.
Mark
--
Error in
-20 is OK with gcc3.4 as well.
--
Error in linalg.svd for large matrix
https://bugs.launchpad.net/bugs/134277
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The cause seems almost certainly to be in the atlas libs rather than
scipy per se: Scipy will load the atlas versions of the lapack/blas libs
if available, but if not falls back to lapack3/refblas3.
Warty has atlas 3.6.0-13, and does not have the problem, dapper has
atlas 3.6.0.20 and does. The
See also:
https://sourceforge.net/tracker/index.php?func=detailaid=1787032group_id=23725atid=379483
--
Error in linalg.svd for large matrix
https://bugs.launchpad.net/bugs/134277
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Bugs, which is the bug contact for Ubuntu.
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Bouncing email ? Apolgies if you see this twice.
On Mon, 2007-09-03 at 13:16 +, Cesare Tirabassi wrote:
If you can confirm that the problem is solved with 3.6.0-13 than it is not a
bug introduced upstream. Both 3.6.0-13 and 3.6.0-20 should be using the same
upstream version (3.6.0).
and edgy on the same machine presumably
suggests the involvement of software to some extent. If you know of any
working repositories for breezy I'll try that as well.
Cheers,
Mark
--
Dr. Mark Poolman
Senior Research Fellow
Cell Systems Modelling Group
School of Life Science
Oxford Brookes
Also the fact that the error is seen on the dapper/pentium argues
against a hardware problem.
Mark
--
Error in linalg.svd for large matrix
https://bugs.launchpad.net/bugs/134277
You received this bug notification because you are a member of Ubuntu
Bugs, which is the bug contact for Ubuntu.
--
On Fri, 2007-08-31 at 14:45 +, Cesare Tirabassi wrote:
Right now, I think the best would be to send the test script and matrix
upstream, to see if they can reproduce it.
This could give us some clues on where to start.
http://projects.scipy.org/scipy/scipy
If you open a ticket,
Public bug reported:
Binary package hint: python-scipy
When calculating a kernel, k, of a matrix A, then the matrix product A.k
_must_ (by definition) = 0 (ie the zero matrix) .
Svd can be used to calculate a kernel with the following function:
def null(A,tol=1e-8):
orthogonal
PS it's not the value of tol that's causing the problem.
Now I've seen the Attachment button, SciTest.tgz contains the test
script and matrix.
** Attachment added: test script and matrix
http://launchpadlibrarian.net/8954788/SciTest.tgz
--
Error in linalg.svd for large matrix
OK, very sorry, it's not a driver bug, I'd accidently moved a small
slider on the front of the case which duplicates Fn/F5.
Although I feel a bit silly about it, it's
a truly awful piece of ergonomics: a black switch on a background
located in a position that you can't see, but can easily brush
Public bug reported:
Binary package hint: linux-image-2.6.15-26-386
Wireless internet worked out of the box (dapper pre-installed by
vendor) but abruptly stopped working after a couple of hours, and
nothing I can do will get it going again. It appears that the ipw2200
hardware rf_kill is stuck
Also submitted to bugzilla
http://bughost.org/bugzilla/show_bug.cgi?id=1126
Mark
--
rf_kill problem on thinkpad Z60m
https://launchpad.net/bugs/59505
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