#14693: Coercion of power series to symbolic ring
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Reporter: eviatarbach | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-5.11
Component: symbolics | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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Coercing a power series to the symbolic ring doesn't work as expected:
{{{
sage: R.<t> = PowerSeriesRing(QQ)
sage: p = R([1,2,3])
sage: SR(p).variables()
()
sage: diff(SR(p))
0
}}}
Perhaps it could be converted to a polynomial first and then coerced to
the symbolic ring?
{{{
sage: SR(p.polynomial()).variables()
(t,)
sage: diff(SR(p.polynomial()))
6*t + 2
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14693>
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