#1904: elliptic curves -- some period lattice functions are not implemented
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Reporter: was | Owner:
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-4.7.2
Component: elliptic curves | Keywords: ecc2011
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Changes (by zimmerma):
* keywords: => ecc2011
* status: new => needs_info
* upstream: => N/A
Comment:
the examples in the description work with Sage 4.7.1:
{{{
----------------------------------------------------------------------
| Sage Version 4.7.1, Release Date: 2011-08-11 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
Loading Sage library. Current Mercurial branch is: 9322
sage: E = EllipticCurve('37a1')
sage: Lambda = E.period_lattice()
sage: OE = Lambda.omega(); OE
5.98691729246392
sage: Lambda.matrix()
[ 2.99345864623196 0.000000000000000]
[0.000000000000000 2.45138938198679]
sage: Lambda.gram_matrix()
[ 8.96079466670088 0.000000000000000]
[0.000000000000000 6.00930990211758]
sage: Lambda.basis()
(2.99345864623196, 2.45138938198679*I)
sage: Lambda.basis_matrix()
[ 2.99345864623196 0.000000000000000]
[0.000000000000000 2.45138938198679]
}}}
Should this ticket be closed?
Paul
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/1904#comment:7>
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