#7931: Improved nth root for finite fields and integer_mods
---------------------------+------------------------------------------------
Reporter: roed | Owner: AlexGhitza
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.3.2
Component: algebra | Keywords: finite fields, nth root
Author: David Roe | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
---------------------------+------------------------------------------------
Comment(by rishi):
Is there something I am missing?
{{{
sage: K = GF(31)
sage: b=K(22)^200
sage: b.nth_root(200)
---------------------------------------------------------------------------
ValueError Traceback (most recent call
last)
/virtual/scratch/rishi/sage-4.3.1.alpha2-sage.math.washington.edu-x86_64-Linux/<ipython
console> in <module>()
/virtual/scratch/rishi/sage-4.3.1.alpha2-sage.math.washington.edu-x86_64-Linux/local/lib/python2.6
/site-packages/sage/rings/integer_mod.so in
sage.rings.integer_mod.IntegerMod_abstract.nth_root
(sage/rings/integer_mod.c:11446)()
ValueError: no nth root
sage:
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7931#comment:2>
Sage <http://www.sagemath.org>
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