#1956: implement multivariate power series arithmetic
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Reporter: was |
Owner: malb
Type: enhancement |
Status: needs_work
Priority: major |
Milestone: sage-5.0
Component: commutative algebra |
Keywords: multivariate power series
Author: niles |
Upstream: N/A
Reviewer: |
Merged:
Work_issues: Fix doctests; fix __contains__; add syntactical sugar |
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Changes (by SimonKing):
* work_issues: => Fix doctests; fix __contains__; add syntactical sugar
Comment:
PS:
It would be nice if the double square bracket notation would work in the
multivariate case:
{{{
sage: QQ[['x']]
Power Series Ring in x over Rational Field
sage: QQ[['x','y']]
---------------------------------------------------------------------------
NotImplementedError Traceback (most recent call
last)
/home/king/SAGE/<ipython console> in <module>()
/home/king/SAGE/sage-4.4.2/local/lib/python2.6/site-
packages/sage/rings/ring.so in sage.rings.ring.Ring.__getitem__
(sage/rings/ring.c:2612)()
NotImplementedError: Power series rings only implemented in 1 variable
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/1956#comment:13>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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