#1956: implement multivariate power series arithmetic
-----------------------------------+----------------------------------------
Reporter: was | Owner: malb
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.6
Component: commutative algebra | Keywords: multivariate power series
Author: Niles Johnson | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by malb):
* status: needs_review => needs_work
Comment:
I get two long doctest failures
{{{
File
"/mnt/usb1/scratch/malb/sage-4.5.3/devel/sage/sage/rings/multi_power_series_ring.py",
line 496:
sage: W = MPowerSeriesRing(InfinitePolynomialRing(ZZ,'a'),2,'x,y')
Exception raised:
Traceback (most recent call last):
...
TypeError: is_integral_domain() takes exactly 1 argument (2 given)
}}}
{{{
sage: W.is_noetherian()
Exception raised:
Traceback (most recent call last):
...
NameError: name 'W' is not defined
}}}
I'll start reading the code now.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/1956#comment:22>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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