#11587: update Cremona's tables for Sage
-----------------------------------------+----------------------------------
Reporter: was | Owner: cremona
Type: enhancement | Status: positive_review
Priority: major | Milestone: sage-4.7.2
Component: elliptic curves | Keywords: elliptic curves
ellcurve database
Work_issues: | Upstream: N/A
Reviewer: John Cremona, Tom Boothby | Author: R. Andrew Ohana
Merged: | Dependencies: #11642
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Comment(by leif):
I'm not sure to which ticket this belongs, but I get an apparently trivial
doctest error in the following example of
`doc/en/bordeaux_2008/elliptic_curves.rst`:
{{{
#!python
To use the database, just create a curve by giving
::
sage: EllipticCurve('5077a1')
Elliptic Curve defined by y^2 + y = x^3 - 7*x + 6 over Rational Field
sage: C = CremonaDatabase()
sage: C.number_of_curves() #optional - cremona
847550
sage: C[37]
{'a': {'a1': [[0, 0, 1, -1, 0], 1, 1],
'b1': [[0, 1, 1, -23, -50], 0, 3], ...
sage: C.isogeny_class('37b')
[Elliptic Curve defined by y^2 + y = x^3 + x^2 - 23*x - 50
over Rational Field, ...]
}}}
{{{
File ".../doc/en/bordeaux_2008/elliptic_curves.rst", line 22:
sage: C[37]
Expected:
{'a': {'a1': [[0, 0, 1, -1, 0], 1, 1],
'b1': [[0, 1, 1, -23, -50], 0, 3], ...
Got:
{'allcurves': {'a1': [[0, 0, 1, -1, 0], 1, 1], 'b1': [[0, 1, 1, -23,
-50], 0, 3], 'b2': [[0, 1, 1, -1873, -31833], 0, 1], 'b3': [[0, 1, 1, -3,
1], 0, 3]}}
}}}
(Just the first key differs; `a` vs. `allcurves`.)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11587#comment:19>
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