#15846: Incorrect series expansion of zeta(s) at 1
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       Reporter:  mmezzarobba  |        Owner:
           Type:  defect       |       Status:  new
       Priority:  major        |    Milestone:  sage-6.4
      Component:  symbolics    |   Resolution:
       Keywords:               |    Merged in:
        Authors:               |    Reviewers:
Report Upstream:  N/A          |  Work issues:
         Branch:               |       Commit:
   Dependencies:               |     Stopgaps:
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Comment (by rws):

 Replying to [comment:7 behackl]:
 > I managed to find a fix for the problem in GiNaC, which should -- more
 or less -- directly translate into a fix for Pynac, which Sage uses as a
 substitute for GiNaC.
 What do you mean? If it's a patch on top of recent GiNaC it might not be
 applicable to Pynac.

 > For a follow-up ticket, it would probably be nice to tell sage that
 `zetaderiv(0,1)` is equal to `-log(sqrt(2*pi))`, as it simplifies the
 expansion to the more likeable form
 Yes, see #18141

--
Ticket URL: <http://trac.sagemath.org/ticket/15846#comment:8>
Sage <http://www.sagemath.org>
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