#8718: Polynomial.apply_map()
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Reporter: mmezzarobba |
Owner: AlexGhitza
Type: enhancement |
Status: needs_info
Priority: minor |
Milestone: sage-5.0
Component: algebra |
Keywords: polynomial, map
Work_issues: check if function knows its codomain and use it |
Upstream: N/A
Reviewer: |
Author: Marc Mezzarobba, Julian Rueth
Merged: |
Dependencies:
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Changes (by dkrenn):
* work_issues: => check if function knows its codomain and use it
Comment:
Replying to [comment:12 saraedum]:
> I wonder if this "new base ring" should default to the codomain of f (if
the function is actually a sage 'Map'). For me this has always been what I
wanted. Any opinions on that?
That is a good idea, we should implement that. So the strategy would be
the following: If a new base ring is given, then we use it, otherwise, we
check if the function knowns its codomain and if yes use it, otherwise we
do not change the base ring.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8718#comment:13>
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