On 10/02/2010 05:57 AM, Mitesh Patel wrote:
>> On 10/1/10, ancienthart wrote:
>>> I get the following:
>>>
>>> a = FFT(4)
>>> a[1] = 2
>>> a.forward_transform()
>>>
>>> Everything works fine up to here. Then, when I do this:
>>>
>>> a.backward_transform()
>>> a
>>>
>>> I get:
>>> NameError: name '
Sage currently ships v. 0.6.4 of sympy
(http://www.sagemath.org/packages/standard/sympy-0.6.4.p0.txt).
I found the hint below in another thread. But what are the issues
with
upgrading sympy to v. 0.6.7? I could not find a ticket in trac (did I
miss
it)?
On Aug 9, 9:55 pm, François Bissey wrote
> That the notebook sometimes doesn't show the SIGSEGV message may be a
> different problem.
Yes, this is a fun interplay between two bugs.
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On Oct 2, 6:07 pm, Nathann Cohen wrote:
> >> Hi Nathann,
> >> does your code provide for returning infeasibility certificates?
> >> in case of CPLEX Python interface, it's here:
> >> .solution.advanced.dual_farkas()
>
> Oh, you mean certificates of infeasibility for the LP itself ! Then it
> sho
On Sat, Oct 02, 2010 at 06:04:22PM +0200, Giovanni Mascellani wrote:
> Hi CJ, thanks for bringing this issue up again and for the summary.
>
> Il 01/10/2010 02:22, CJ Fearnley ha scritto:
> >* Scipy 0.6.7, which is in sid (Debian's development branch), will
> > break things, at least beca
On 30 Sep., 14:58, Jason Grout wrote:
> On 9/30/10 6:25 AM, maldun wrote:
>
> > There is another thing that I want to mention another thing:
>
> > Leif mentioned that it would be important that after installing of
> > numpy rebuilding of sage should happen with -b, and not with -ba
> > like I sugg
On 10/02/2010 05:39 AM, Tom Boothby wrote:
> Was this on sagenb.org? Frequently, the server will kill your process
> at the most inopportune times...
>
> On 10/1/10, ancienthart wrote:
>> I get the following:
>>
>> a = FFT(4)
>> a[1] = 2
>> a.forward_transform()
>>
>> Everything works fine up to
Was this on sagenb.org? Frequently, the server will kill your process
at the most inopportune times...
On 10/1/10, ancienthart wrote:
> I get the following:
>
> a = FFT(4)
> a[1] = 2
> a.forward_transform()
>
> Everything works fine up to here. Then, when I do this:
>
> a.backward_transform()
>
>> Hi Nathann,
>> does your code provide for returning infeasibility certificates?
>> in case of CPLEX Python interface, it's here:
>> .solution.advanced.dual_farkas()
Oh, you mean certificates of infeasibility for the LP itself ! Then it
shouldn't be so hard :-)
How would you like to get it ? An
Helloo
> Hi Nathann,
> does your code provide for returning infeasibility certificates?
> in case of CPLEX Python interface, it's here:
> .solution.advanced.dual_farkas()
Certificates ? No, it raises exceptions for the moment, which can give
you some idea of why it failed dep
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