#10682: sum fails with lower bound != 0 or 1 (upgrade maxima to 5.26)
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Reporter: fmaltey | Owner:
burcin
Type: defect | Status:
needs_info
Priority: critical | Milestone:
sage-5.0
Component: symbolics | Keywords:
maxima 5.26.0 binomial sum
Work_issues: domain issue, error handling in nintegral | Upstream: N/A
Reviewer: Jean-Pierre Flori, | Author:
Dima Pasechnick
Merged: | Dependencies:
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Changes (by dimpase):
* status: needs_work => needs_info
Comment:
Replying to [comment:49 mjo]:
> It always returned, {{{[x - arcsinh(y(x)/x) == c]}}}
>
> regardless of the `domain`.
>
> But, it used to give the correct answer, and now it doesn't.
>
> I'm running a ptestlong now with simplify_sum.mac from 5.26. If that
(and the maxima tests) pass, I would certainly give a patched 5.24 a
positive review.
Can you demonstrate in some way that the solution it gives in the complex
domain is wrong? If yes, you have a point. Still, if it were wrong we
would have a good Maxima bug report to file. And we have a workaround for
this, which is good enough IMHO.
One way or another, I would much prefer have a patch in 5.26 than in 5.24.
The latter is an obsolete version, and I see very little value in keeping
it (I am sure they fixed a zillion other bugs in 5.26, which were not
covered by Sage doctests). Just from the point of view of maintaining good
relations with Maxima community it is important to upgrade to 5.26.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10682#comment:50>
Sage <http://www.sagemath.org>
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