[SciPy-Dev] SLSQP on Ubuntu

Giselle Sosa Jones giselle1701 at gmail.com
Mon Jul 6 17:11:59 EDT 2015


No, I actually have 0.15 which is the newest one (except for 0.16 which is
still beta). Also Numpy is 1.9 which is the newest one too.

2015-07-06 16:40 GMT-04:30 Jens Nielsen <jenshnielsen at gmail.com>:

> Which versions of Scipy are you using (scipy.__version__)? The default
> version on Ubuntu 12.04 is probably fairly old and you might be better of
> with a newer one.
>
> Jens.
>
>
>
> man. 6. jul. 2015 kl. 15.49 skrev Giselle Sosa Jones <
> giselle1701 at gmail.com>:
>
>> It has a lot of code and functions, so it would be hard to post it. But
>> in terms of amount of variables it's small (16 variables and 16
>> constraints).
>> I got the Windows version from this website called Unofficial Windows
>> Binaries for Python, and indeed I believe it's a compilation problem.
>> Actually it's 32 bits, but it works fine on Windows, even with bigger
>> problems.
>>
>> GSJ
>>
>> 2015-07-06 16:15 GMT-04:30 Charles R Harris <charlesr.harris at gmail.com>:
>>
>>>
>>>
>>> On Mon, Jul 6, 2015 at 4:35 PM, Giselle Sosa Jones <
>>> giselle1701 at gmail.com> wrote:
>>>
>>>> Hello
>>>>
>>>> I'm running SLSQP algorithm from Scipy on Ubuntu 12.04 and Python 3.3.
>>>> The algorithm doesn't converge unless the starting point is really close to
>>>> the solution. I tried it on Windows and it works perfectly, it converges
>>>> easily and doesn't take too much iterations. On Ubuntu I either get the
>>>> message "Inequality constraints incompatible", and sometimes I even get the
>>>> message "Optimization terminated succesfully", but the values are not
>>>> correct. Has anyone experienced the same thing? I have no clue to what's
>>>> going on. Also I tried it with Python 2.7 on Ubuntu and still doesn't work,
>>>> but on Windows it does.
>>>>
>>>> Thank you very much, I'm desperate.
>>>>
>>>
>>> That is strange. Is the problem small enough that you can post it
>>> somewhere so we can try it out? Also, where did you get your windows scipy?
>>> There may be compiler/library differences. I assume 64 bit versions on both?
>>>
>>> Chuck
>>>
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>>>
>>
>>
>> --
>> Lic. Giselle Sosa Jones
>> Departamento de Cómputo Científico y Estadística
>> Universidad Simón Bolívar
>> Caracas, Venezuela
>> +58-212-9063398
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>> SciPy-Dev mailing list
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>>
>
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-- 
Lic. Giselle Sosa Jones
Departamento de Cómputo Científico y Estadística
Universidad Simón Bolívar
Caracas, Venezuela
+58-212-9063398
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