#20060: binomial of polynomial should be polynomial
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Reporter: chapoton | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.1
Component: algebra | Resolution:
Keywords: binomial | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Changes (by chapoton):
* cc: rws (added)
Old description:
> This is '''very''' inconvenient:
> {{{
> sage: x=polygen(QQ,'x')
> sage: binomial(x,3).parent()
> Symbolic Ring
> }}}
New description:
This is '''very''' inconvenient:
{{{
sage: x=polygen(QQ,'x')
sage: binomial(x,3).parent()
Symbolic Ring
}}}
The polynomials are converted to the symbolic ring before any computation
is done. This is apparently done by the general symbolic function
framework.
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Ticket URL: <http://trac.sagemath.org/ticket/20060#comment:1>
Sage <http://www.sagemath.org>
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