#10317: how to copy/paste InfinitePolynomialRings?
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Reporter: zimmerma | Owner: AlexGhitza
Type: defect | Status: closed
Priority: minor | Milestone: sage-4.7
Component: basic arithmetic | Resolution: wontfix
Keywords: | Author:
Upstream: N/A | Reviewer:
Merged: | Work_issues:
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Comment(by SimonKing):
Replying to [comment:2 zimmerma]:
> Replying to [comment:1 kcrisman]:
>
> contrary to your example, the problem is that you can't even copy/paste
{{{a_2 + a_1 + a_0}}}
> without defining at hand the corresponding variables, which then
questions the usefulness of
> {{{InfinitePolynomialRings}}}...
The purpose of `InfinitePolynomialRing` is certainly not to insert
infinitely many identifiers into the global name space.
Its main purpose is not even to have a convenient way to create a
countable set of variables and do arithmetic with it.
The main purpose is described in the documentation: Do computations
related with finitely generated ideals in countably infinitely many
variables that are set-wise invariant under permutation of the variables
(ideal containment, etc). The background is the theory of symmetric
Gröbner bases due to Aschenbrenner and Hillar.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10317#comment:5>
Sage <http://www.sagemath.org>
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