On Jul 31, 4:27 pm, Mitesh Patel wrote:
> You could try using sage.misc.citation.get_systems:
>
> sage: var('n, k');
> sage: sum(1 / sum(k, k, 1, n), n, 1, infinity)
> 2
> sage: from sage.misc.citation import get_systems
> sage: get_systems('sum(1 / sum(k, k, 1, n), n, 1, infinity)')
> ['MPFI', 'g
On Jul 31, 4:27 pm, Mitesh Patel wrote:
> You could try using sage.misc.citation.get_systems:
>
> sage: var('n, k');
> sage: sum(1 / sum(k, k, 1, n), n, 1, infinity)
> 2
> sage: from sage.misc.citation import get_systems
> sage: get_systems('sum(1 / sum(k, k, 1, n), n, 1, infinity)')
> ['MPFI', 'g
On 07/31/2010 12:53 AM, Henryk Trappmann wrote:
> On Jul 29, 9:12 pm, kcrisman wrote:
>> I will point out, though, that you clearly *do* use Maxima, since you
>> tried to do this in Sage, which uses Maxima heavily.
>
> This may be, but I dont know about it.
> I know that Sage uses Maxima, but nei
On Jul 29, 9:12 pm, kcrisman wrote:
> I will point out, though, that you clearly *do* use Maxima, since you
> tried to do this in Sage, which uses Maxima heavily.
This may be, but I dont know about it.
I know that Sage uses Maxima, but neither do I know what Maxima is,
nor how to use it. But most
On 07/29/10 02:12 PM, kcrisman wrote:
I will point out, though, that you clearly *do* use Maxima, since you
tried to do this in Sage, which uses Maxima heavily. One of the
things Sage has gotten a lot better about is acknowledging use of all
the many high-quality components, so let's all try t
On Jul 29, 3:38 am, Henryk Trappmann wrote:
> On Jul 28, 5:47 pm, Burcin Erocal wrote:
>
> > Can you open a ticket about these problems with the binomial (including
> > the "either m or x-m must be an integer" error mentioned in kcrisman's
> > message?
> > The bug in maxima for the evaluation o
On Jul 28, 5:47 pm, Burcin Erocal wrote:
> Can you open a ticket about these problems with the binomial (including
> the "either m or x-m must be an integer" error mentioned in kcrisman's
> message?
> The bug in maxima for the evaluation of the sum should also be a
> separate ticket.
I opened the
On Tue, 27 Jul 2010 18:29:27 -0700 (PDT)
Henryk Trappmann wrote:
> On Jul 28, 2:21 am, kcrisman wrote:
> > On Jul 27, 1:17 am, Henryk Trappmann
> > wrote:
> > > sage: sum(binomial(n,k)*binomial(k-1,j)*(-1)**(k-1-j),k,j+1,n)
> > In fact, the answer appears to always be 1 or 0. Is that true?
>
On Jul 28, 2:21 am, kcrisman wrote:
> On Jul 27, 1:17 am, Henryk Trappmann wrote:
> > sage: sum(binomial(n,k)*binomial(k-1,j)*(-1)**(k-1-j),k,j+1,n)
> In fact, the answer appears to always be 1 or 0. Is that true?
Yes, its 1 for n>=j+1 and (of course) 0 for n in ()
/opt/sage-4.5-linux-32bit-ub
On Jul 27, 12:21 pm, kcrisman wrote:
> This appears to be a bug in Maxima.
Agreed. Can someone please submit a bug report.
See: http://sourceforge.net/projects/maxima/bugs
best
Robert Dodier
--
To post to this group, send an email to sage-devel@googlegroups.com
To unsubscribe from this group
This appears to be a bug in Maxima.
(%i1) load(simplify_sum);
(%i3) simplify_sum(sum(binomial(n,k)*binomial(k-1,j)*(-1)**(k-1-j),k,j
+1,n));
(%o3) 0
(%i4) simplify_sum(sum(binomial(5,k)*binomial(k-1,3)*(-1)**(k-1-3),k,
4,5));
(%o4)
11 matches
Mail list logo
