#10563: improve jordan_form over univariate rational expressions
------------------------------+---------------------------------------------
Reporter: zimmerma | Owner: jason, was
Type: enhancement | Status: new
Priority: minor | Milestone: sage-4.6.1
Component: linear algebra | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
------------------------------+---------------------------------------------
This was reported by Alexandre Casamayou:
{{{
sage: R = FractionField(PolynomialRing(RationalField(),'a'))
sage: A = matrix(R,[[1,a],[a,1]])
sage: A.jordan_form()
---------------------------------------------------------------------------
NotImplementedError Traceback (most recent call
last)
/localdisk/tmp/c157/<ipython console> in <module>()
/usr/local/sage/local/lib/python2.6/site-packages/sage/matrix/matrix2.so
in sage.matrix.matrix2.Matrix.jordan_form (sage/matrix/matrix2.c:32527)()
/usr/local/sage/local/lib/python2.6/site-
packages/sage/rings/polynomial/polynomial_element.so in
sage.rings.polynomial.polynomial_element.Polynomial.roots
(sage/rings/polynomial/polynomial_element.c:31227)()
/usr/local/sage/local/lib/python2.6/site-packages/sage/rings/ring.so in
sage.rings.ring.Ring.is_finite (sage/rings/ring.c:5810)()
NotImplementedError:
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10563>
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