#11256: Update big_oh for use with multivariate power series
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Reporter: niles | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-4.8
Component: algebra | Keywords: big_oh, multivariate
power series
Work_issues: fix docstring issues | Upstream: N/A
Reviewer: Niles Johnson | Author: Mario Pernici
Merged: | Dependencies: #1956
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Old description:
> Multivariate power series are implemented at #1956. This ticket calls
> for a minor change to big_oh so that it can be used for multivariate
> power series.
New description:
Multivariate power series are implemented at #1956. This ticket calls for
a minor change to big_oh so that it can be used for multivariate power
series:
{{{
sage: T.<a,b> = PowerSeriesRing(ZZ,2)
sage: f = 1 + a + b + a*b + T.O(5)
sage: f + O(a,b)^2
1 + a + b + O(a, b)^2
}}}
Without this ticket, `O()` accepts only a single argument.
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Comment(by vbraun):
Is this ticket not ready for review? It needs to be rediffed for
sage-4.8.alpha5, applies only with fuzz 2.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11256#comment:2>
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