#19945: Asymptotic Ring: cannot construct (1/2)^n
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Reporter: cheuberg | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.1
Component: asymptotic expansions | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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The following is unexpected:
{{{
sage: A.<n> = AsymptoticRing('QQ^n * n^QQ', ZZ)
sage: (1/2)^n
Traceback (most recent call last):
...
ValueError: 1/2 is not in Exact Term Monoid QQ^n * n^QQ
with coefficients in Integer Ring.
> *previous* ValueError: Factor 1/2 of 1/2 is neither
a coefficient (in Integer Ring) nor growth
(in Growth Group QQ^n * n^QQ).
sage: 1/2^n
(1/2)^n
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/19945>
Sage <http://www.sagemath.org>
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