#15299: Incorrect results for analytic Sha due to low precision
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-5.13
Component: elliptic curves | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by was):
It gets worse!
{{{
sage: E = EllipticCurve('11a')
sage: E.lseries().deriv_at1()
0
sage: E.lseries().dokchitser().derivative(1)
0.308708533963172
}}}
I.e., it is wrong for all curves of rank 0 too... (This isn't what we
wrote the code for. Ugh.)
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Ticket URL: <http://trac.sagemath.org/ticket/15299#comment:2>
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