[SciPy-user] OpenOpt: ralg crash

dmitrey dmitrey.kroshko@scipy....
Wed Aug 6 01:11:04 CDT 2008


Eli Brosh wrote:
> I checked again in ubuntu, with numpy 1.03.
> I installed the latest tarball of OpenOpt but the bug did appear.
> It looks like ralg somehow depends strongly on the numpy version.
>
> Eli
I had committed requirements to numpy v >= 1.1.0 to INSTALL.txt and 
mentioned it in OO Install page.
Regards, D.

>
> On Mon, Aug 4, 2008 at 11:26 AM, Eli Brosh <ebrosh1@gmail.com 
> <mailto:ebrosh1@gmail.com>> wrote:
>
>     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
>     <mailto: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 <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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>
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