On Fri, 10 Jul 2009 10:24:18 -0300
Golam Mortuza Hossain wrote:
>
> Hi,
>
> On Fri, Jul 10, 2009 at 9:58 AM, Burcin Erocal
> wrote:
> >
> > I'll try to spare some time for pynac this weekend, and look at the
> > changes you need for the derivatives to work.
>
> Thanks!
>
> > I'm not convinc
Hi,
On Fri, Jul 10, 2009 at 9:58 AM, Burcin Erocal wrote:
>
> I'll try to spare some time for pynac this weekend, and look at the
> changes you need for the derivatives to work.
Thanks!
> I'm not convinced that
> adding a new field to the function_options class to switch the
> application of t
On Wed, 8 Jul 2009 16:09:54 -0300
Golam Mortuza Hossain wrote:
> Hi Burcin,
>
> On Wed, Jul 8, 2009 at 11:02 AM, Burcin Erocal
> wrote:
>
> > If you share your code creating an SFunction called 'integral', I
> > can produce patches for Sage and pynac to special case that
> > function when comp
Hi Burcin,
On Wed, Jul 8, 2009 at 11:02 AM, Burcin Erocal wrote:
> If you share your code creating an SFunction called 'integral', I can
> produce patches for Sage and pynac to special case that function when
> computing derivatives. (Much like what is done for Order in the pynac
> code right now
Hi Burcin,
On Wed, Jul 8, 2009 at 11:02 AM, Burcin Erocal wrote:
>> (2) New D derivative operator does not know how to act
>> on symbolic integration ( #6465 ). So right now it is not
>> possible to compute "S.diff(epsilon)"
>>
>> I have spent last two days in trying to fix this. I believe
>> t
On Wed, 8 Jul 2009 00:18:38 -0300
Golam Mortuza Hossain wrote:
>
> Hi,
>
> On Tue, Jul 7, 2009 at 10:29 PM, William Stein
> wrote:
> >> In new symbolics, if I do the same I get
> >>
> >> sage: g
> >> D[0](f)(x)
> >> sage: g.subs_expr(f(x)==f(x)+df(x))
> >> D[0](f)(x)
> >> -
>
Hi,
On Tue, Jul 7, 2009 at 10:29 PM, William Stein wrote:
>> In new symbolics, if I do the same I get
>>
>> sage: g
>> D[0](f)(x)
>> sage: g.subs_expr(f(x)==f(x)+df(x))
>> D[0](f)(x)
>> -
>>
>> Is there a way to do this in new symbolics? It seems
>> to be a road block in implemen
On Sun, Jul 5, 2009 at 3:34 AM, Golam Mortuza
Hossain wrote:
>
> Hi all,
>
> It seems none of the current substitute methods for symbolic
> expressions works for the argument of the derivative operator.
>
> In computing functional derivative, I need to vary
> a functional. For example, in sage-3.4
