#16834: Change ring fails for affine morphisms.
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Reporter: gjorgenson | Owner: gjorgenson
Type: defect | Status: needs_review
Priority: minor | Milestone: sage-6.4
Component: algebraic | Resolution:
geometry | Merged in:
Keywords: | Reviewers: Ben Hutz
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | ecc938e4adf473ee0cae75e67d279bbe18a120f7
u/gjorgenson/ticket/16834 | Stopgaps:
Dependencies: |
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Comment (by bhutz):
I think it is faster, since you don't have to access and change_ring the
codomain unless you really need it and it makes the code easily human
readable.
The functionality looks fine at this point, but while you're fixing this
function, there are a couple other things to fix
1) there are many instances of trailing white space that need to be
removed
2) fix the formatting for the earlier examples for this function
3) the output doesn't seem like an accurate description. Perhaps something
more like in the description: a :class:`SchemeMorphism_polynomial` which
is `self` coerced to `R`
--
Ticket URL: <http://trac.sagemath.org/ticket/16834#comment:11>
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