#8717: Precision problem in E2 for Tate Curve
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Reporter: roed | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-4.4
Component: algebraic geometry | Keywords:
Author: roed | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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{{{
sage: T = EllipticCurve('14').tate_curve(7)
sage: T.E2(30)
2 + 4*7 + 7^2 + 3*7^3 + 6*7^4 + 5*7^5 + 2*7^6 + 7^7 + 5*7^8 + 6*7^9 +
5*7^10 + 2*7^11 + 6*7^12 + 4*7^13 + 3*7^15 + 5*7^16 + 4*7^17 + 4*7^18 +
O(7^20)
sage: T.E2(30)
2 + 4*7 + 7^2 + 3*7^3 + 6*7^4 + 5*7^5 + 2*7^6 + 7^7 + 5*7^8 + 6*7^9 +
5*7^10 + 2*7^11 + 6*7^12 + 4*7^13 + 3*7^15 + 5*7^16 + 4*7^17 + 4*7^18 +
2*7^20 + 7^21 + 5*7^22 + 4*7^23 + 4*7^24 + 3*7^25 + 6*7^26 + 3*7^27 +
6*7^28 + O(7^30)
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8717>
Sage <http://www.sagemath.org>
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