#17539: convenience conversion from symbolic to fraction field
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Reporter: rws | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.5
Component: symbolics | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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See http://ask.sagemath.org/question/25327/casting-symbolic-fractions-to-
fraction-field-of-polynomial-ring/
Something like
{{{
sage: ex=(x+1)/(x-1); ex
(x + 1)/(x - 1)
sage: ex.numerator().polynomial(ZZ)/ex.denominator().polynomial(ZZ)
(x + 1)/(x - 1)
sage: type(_)
<type 'sage.rings.fraction_field_element.FractionFieldElement'>
}}}
made into an `Expression` method, perhaps named `fraction(...)` with the
ring as argument.
--
Ticket URL: <http://trac.sagemath.org/ticket/17539>
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