#6193: [with patch, positive review] implement elliptic logarithm
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Reporter: robertwb | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-4.0.1
Component: number theory | Keywords:
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Comment(by robertwb):
There was some numerical noise, I fixed it with this patch. Also, I added
a test to see that it does actually invert the Weierstrass P function
(though this should be done more cleanly when we have a native and/or
better wrapped Weierstrass P.)
Thinking about the agm termination condition, the convergence of agm is
quadratic, so delta will be ~1upl < 3upl, so it should not be an issue.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6193#comment:5>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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