#14814: Mulitvariate power series are missing integral and division method
------------------------------------------------------+---------------------
Reporter: hivert | Owner:
AlexGhitza
Type: enhancement | Status:
needs_review
Priority: major | Milestone:
sage-5.12
Component: algebra | Resolution:
Keywords: integral multivariate power series | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Florent Hivert, Nicolas Thiéry | Merged in:
Dependencies: | Stopgaps:
------------------------------------------------------+---------------------
Changes (by {'newvalue': u'Florent Hivert, Nicolas Thi\xe9ry', 'oldvalue': ''}):
* status: new => needs_review
* author: => Florent Hivert, Nicolas Thiéry
Old description:
> {{{
> sage: R.<x>=PowerSeriesRing(QQ, 'x')
> sage: (x+x^2).integral()
> 1/2*x^2 + 1/3*x^3
> sage: R.<x,y>=PowerSeriesRing(QQ, 'x y')
> sage: (x+x^2).integral(x)
> ...
> AttributeError: 'MPowerSeries' object has no attribute 'integral'
> }}}
>
> I've some preliminary patch mut I'm not sure if this shoudn't be done at
> another level (eg Singular).
>
> Florent
New description:
{{{
sage: R.<x>=PowerSeriesRing(QQ, 'x')
sage: (x+x^2).integral()
1/2*x^2 + 1/3*x^3
sage: R.<x,y>=PowerSeriesRing(QQ, 'x y')
sage: (x+x^2).integral(x)
...
AttributeError: 'MPowerSeries' object has no attribute 'integral'
}}}
I also implement division by a non unit series (thanks Nicolas for
preliminary code) and fixes the latex method which was buggy
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14814#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/sage-trac.
For more options, visit https://groups.google.com/groups/opt_out.
