#8718: Polynomial.apply_map()
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Reporter: mmezzarobba | Owner: AlexGhitza
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-wishlist
Component: algebra | Keywords: polynomial, map
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by mmezzarobba):
The idea was to stay compatible with ``MPolynomial.map_coefficients()``,
which operates on nonzero coefficients. Perhaps we could remove
``apply_map()`` rather that ``map_coefficients()``, and add an option to
make ``map_coefficients()`` map over zero coefficients too. (Ignoring them
by default seems sensible, since (i) there is really no mathematical
difference between zeros below and above the leading coefficient, and (ii)
the functions one will typically pass to ``map_coefficients()`` are ring
homomorphisms.)
What do you think?
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8718#comment:3>
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