#16561: Derivations for separable function fields
-------------------------------------+-------------------------------------
Reporter: saraedum | Owner:
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-6.4
Component: commutative | Resolution:
algebra | Merged in:
Keywords: sd59 | Reviewers: Vinent Delecroix
Authors: Julian Rueth | Work issues:
Report Upstream: N/A | Commit:
Branch: | ac8427a78a3db9f82f83b1fd2f0c5d75d3035c12
u/saraedum/ticket/16561 | Stopgaps:
Dependencies: #16518 |
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Changes (by vdelecroix):
* status: needs_review => needs_work
* reviewer: => Vinent Delecroix
* work_issues: BuildFailed =>
Comment:
Hello Julian,
It seems that the only derivation you are testing is `y^2 - x`. I have
nothing against the square root but it would be cool to have a bit more
diversity in the doctests. And it would be cool to have somewhere non
trivial examples of
{{{
sage: d(p+q) == d(p) + d(q)
True
sage: d(p*q) == d(p)*q + p*d(q)
True
}}}
In the `ALGORITHM` block, I would rather use `formula` instead of
`algorithm`. And you mentioned the non-separable case that this ticket is
not about.
Beyond documentation, everything looks good to me.
Vincent
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Ticket URL: <http://trac.sagemath.org/ticket/16561#comment:10>
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