implement additive_order for points on an elliptic curve
This should work:
sage: E = EllipticCurve('11a'); P = E.torsion_subgroup().gens()[0]; P
(5 : 5 : 1)
sage: P.additive_order()

NotImplementedError Traceback (most recent call last)
/Users/wstein/.sage/temp/resid_tg105.upc.es/5930/_Users_wstein__sage_init_sage_0.py in <module>()
/Users/wstein/build/sage/local/lib/python2.5/sitepackages/sage/structure/element.so in sage.structure.element.ModuleElement.additive_order (sage/structure/element.c:8113)()
NotImplementedError:
sage: P.order()
5
Change History (7)
Component: 
number theory →
elliptic curves

Owner: 
changed from was to davidloeffler

Summary: 
implement additive_order for points on an elliptic curve →
duplicate] implement additive_order for points on an elliptic curve

Summary: 
duplicate] implement additive_order for points on an elliptic curve →
[duplicate] implement additive_order for points on an elliptic curve

Milestone: 
sage4.1.3 →
sageduplicate/invalid/wontfix

Resolution: 
→ duplicate

Status: 
new →
closed

Summary: 
[duplicate] implement additive_order for points on an elliptic curve →
implement additive_order for points on an elliptic curve

This is a duplicate of #3108 whic hhas a patch waiting review. This ticket can terefore be closed.