#18356: special resultants ``composed_sum`` and ``composed_product``
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Reporter: pernici | Owner:
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-6.7
Component: algebra | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/pernici/ticket/18356 | 1fe9b052c8f1e49f9b0480f40dfa1937ef9f8dcf
Dependencies: | Stopgaps:
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Comment (by pernici):
Replying to [comment:28 vdelecroix]:
> Hi,
>
> Did you completely avoid the power series ring? We should provide more
methods to polynomial like:
> - `inverse_series(self, prec, as_polynomial=False)`: return the inverse
series and if `as_polynomial` is true returns it as a polynomial
Yes, I used `fmpq_poly_inv_series`, `fmpq_poly_exp_series`, so the power
series ring is not used.
> As FLINT has some native implementation, we should use it where it makes
sense. But this should be done in another ticket.
>
> In all your code, you know in advance the precision needed. Right?
>
Yes.
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Ticket URL: <http://trac.sagemath.org/ticket/18356#comment:29>
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