#4618: Request for Puiseux series in SAGE
----------------------------+-----------------------------------------------
Reporter: ljpk | Owner: was
Type: defect | Status: new
Priority: minor | Milestone: sage-3.3
Component: linear algebra | Keywords:
----------------------------+-----------------------------------------------
In MAGMA, one can have fractional exponents for power series (which it
calls Puiseux series), but SAGE does not seem to support this:
{{{
sage: PSR.<q>=PowerSeriesRing(QQ)
sage: q^(1/5)
---------------------------------------------------------------------------
NotImplementedError Traceback (most recent call
last)
/home/ljpk/.sage/temp/sage/2339/_home_ljpk_Eisenstein_sage_9.py in
<module>()
----> 1
2
3
4
5
/home/was/s/local/lib/python2.5/site-packages/sage/structure/element.so in
sage.structure.element.RingElement.__pow__
(sage/structure/element.c:8866)()
1131
1132
-> 1133
1134
1135
/home/was/s/local/lib/python2.5/site-packages/sage/structure/element.so in
sage.structure.element.generic_power_c (sage/structure/element.c:17789)()
2601
2602
-> 2603
2604
2605
NotImplementedError: non-integral exponents not supported
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4618>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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