#18500: coercion of Laurent series to SR
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Reporter: rws | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.8
Component: symbolics | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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#16203 deals with conversion from `Expression.series` to `PowerSeries` but
this should work too:
{{{
sage: R.<x> = LaurentSeriesRing(QQ)
sage: (1/(1-y)).series(y,5)
1 + 1*y + 1*y^2 + 1*y^3 + 1*y^4 + Order(y^5)
sage: _.subs(y=x)
TypeError: no canonical coercion from Laurent Series Ring in x over
Rational Field to Symbolic Ring
or:
sage: (1/(1-y)).series(x,5)
(same error)
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/18500>
Sage <http://www.sagemath.org>
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