#14814: Mulitvariate power series are missing an integral method
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Reporter: hivert | Owner:
AlexGhitza
Type: enhancement | Status: new
Priority: major | Milestone:
sage-5.12
Component: algebra | Resolution:
Keywords: integral multivariate power series | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Description changed by hivert:
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()
> ...
> 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've some preliminary patch mut I'm not sure if this shoudn't be done at
another level (eg Singular).
Florent
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14814#comment:1>
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