[SciPy-user] OpenOpt: ralg crash

Eli Brosh ebrosh1@gmail....
Mon Aug 4 10:26:03 CDT 2008


Indeed,
The bug disappeared when I installed numpy 1.1.1
Thanks to Dmitrey.
Eli




On Mon, Aug 4, 2008 at 8:59 AM, Eli Brosh <ebrosh1@gmail.com> 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> 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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>>
>
>
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