#10564: bug in symbolic sums
------------------------+---------------------------------------------------
Reporter: zimmerma | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-4.6.1
Component: calculus | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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This was reported by Alexandre Casamayou:
{{{
sage: var('n')
n
sage: sum (n^3 * x^n, n, 0, infinity)
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
...
TypeError: unable to make sense of Maxima expression
'(limit(x^?g3641*(x^4-3*x^3+3*x^2-x)*?g3641^3+x^?g3641*(-3*x^3+6*x^2-3*x)*?g3641^2+x^?g3641*(3*x^3-3*x)*?g3641+x^3+x^?g3641*(-x^3-4*x^2-x)+4*x^2+x,?g3641,inf))/(x^4-4*x^3+6*x^2-4*x+1)'
in Sage
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10564>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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