#19083: AsymptoticRing: exp & log, cleanup, some improvements, documentation
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Reporter: dkrenn | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.10
Component: asymptotic | Resolution:
expansions | Merged in:
Keywords: | Reviewers: Daniel Krenn, Clemens
Authors: Benjamin Hackl, | Heuberger
Daniel Krenn | Work issues:
Report Upstream: N/A | Commit:
Branch: | 44b52d61e4c1e3229ee8f3ae7c2c375a67bbc247
u/dkrenn/asy/prototype | Stopgaps:
Dependencies: #19073 |
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Comment (by dkrenn):
> 34. `AsymptoticExpansion.__pow__`:
> - why is `(y^2 + O(y))^(1/2)` not tested (add a comment?)
I've refered to #19316.
> - test error: "Cannot take ... to the negative exponent"
> - test error: "Taking ... to the exponent ... not implemented"
Added tests.
> - rational exponents could be implemented via binomial series
(follow-up ticket?)
A ticket (#19316) already exists.
> 35. `AsymptoticExpansion.log`:
> - test error ("several maximal elements")
Added.
> - I am not convinced that having `k` as an `AsymptoticExpansion`
is very efficient (let the division be in `QQ` and convert later?, cf.
`rpow`.)
Changed and made some tests: I could save about 15% cputime :)
Rest will follow later today.
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Ticket URL: <http://trac.sagemath.org/ticket/19083#comment:88>
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