#7952: broken binomial sum (fixed in maxima)
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Reporter: burcin | Owner:
burcin
Type: defect | Status: new
Priority: major | Milestone:
sage-4.3.2
Component: symbolics | Keywords:
maxima
Work_issues: | Author:
Upstream: Fixed upstream, in a later stable release. | Reviewer:
Merged: |
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From the following sage-devel thread:
http://groups.google.com/group/sage-devel/t/c7a742292f424b04
{{{
On Jan 10, 6:15 pm, Harald Schilly <[email protected]> wrote:
> Hi, I got this from the report a problem link:
>
> Typing (in the inotebook)
>
> var('t,k,i')
> sum(binomial(i+t,t),i,0,k)
>
> results in
>
> binomial(k + t + 1, t + 1) - 1
>
> which is false, the well-known answer is binomial(k + t + 1, t + 1)
There is a fix for this bug in maxima cvs. If you don't want to wait
for the next release I can provide a patch.
Andrej
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7952>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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