[SciPy-user] OpenOpt: ralg crash

dmitrey dmitrey.kroshko@scipy....
Mon Aug 4 09:31:32 CDT 2008


Hi Eli,
please try to run example3.py from Linux OS terminal and inform what 
will output.

As for numpy I remember error from 1.0.5 mentioned here
http://openopt.blogspot.com/2008/06/numpy-related-bug.html

but it was not triggered with ralg.
Regards, D.

Eli Brosh wrote:
> Thank you Dmitrey,
> I downloaded the latest tarball (uploaded 08/04/08 00:54:17) and 
> installed it.
> Before installing, I erased the older version from the site-packages.
> However, the ralg still crashes, at least under windows.
> I did not find the bug you mentioned in ralg_oo.py.
> Could it be that the bug is caused by my numpy version ?
> (on windows I use 1.04 that came with the enthought suite)
>
> Thanks
> Eli
>
> On Mon, Aug 4, 2008 at 1:59 AM, dmitrey <dmitrey.kroshko@scipy.org 
> <mailto:dmitrey.kroshko@scipy.org>> wrote:
>
>     Hi Eli,
>     It seems the bug was due to svn conflict changes
>     (check your scikits/openopt/solvers/UkrOpt/ralg_oo.py, line 156,
>     svn has
>     put "<<<<<<< .mine" there).
>     Try now latest tarball (or use download from subversion, the bug was
>     absent there)
>
>     > Another small request concerning OpenOpt.
>     > Is it possible to provide an example for use of scipy_tnc and
>     > scipy_lbfgsb from openopt ?
>     > Can these solvers work with linear equality constraints ?
>     >
>     Examples are absolutely same to nlp1, nlp2, nlp3, nlp_bench_1,
>     nlp_bench_2 etc.
>     But the solvers can use only lb<=x<=ub constraints.
>     Regards, D.
>
>
>     Eli Brosh wrote:
>     >
>     > Hello,
>     >
>     > I encountered problems with the ralg solver in OpenOpt.
>     > the example nlp_3.py, supplied with the OpenOpt library crashed
>     on two
>     > computers.
>     > On an ubuntu linux machine, the program simply stopped without
>     further
>     > information.
>     > On a windows machine, with entought suite, there was a windows error
>     > message "pythonw caused a fatal error and it will be closed".
>     > The problem disappeared when I erased ralg from the solvers list. It
>     > did not occur with lincher and scipy_cobyla
>     > solvers.
>     > On both machines, the openopt installation was from the latest
>     tarball
>     > (no more than week old).
>     >
>     > What is the problem ?
>     > Can it be corrected ?
>     >
>
>     >
>     > Thanks
>     > Eli
>     >
>
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