#18094: multiplication of powerseries wrapped in SR wrong
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Reporter: dkrenn | Owner:
Type: defect | Status: needs_info
Priority: major | Milestone: sage-6.6
Component: symbolics | Resolution:
Keywords: sd66 | Merged in:
Authors: Ralf Stephan | Reviewers: Daniel Krenn
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/rws/multiplication_of_powerseries_wrapped_in_sr_wrong|
48011a4ac77473f5a45c59f6b89c374d0013a50a
Dependencies: #10846 | Stopgaps:
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Comment (by rws):
Replying to [comment:8 rws]:
> It's "only" a hack that will give us bare symbolic bigoh. Realistic
behaviour must be added on Pynac level, it's simply not there at the
moment, if I understand correctly.
No, it's there but the user is asked to apply `series` again:
{{{
sage: (2*s).series(x,5)
2 + 2*x + 2*x^2 + 2*x^3 + 2*x^4 + Order(x^5)
}}}
So, it's not as bad as thought, and the patch could go in without having
to fix a bigger issue.
--
Ticket URL: <http://trac.sagemath.org/ticket/18094#comment:9>
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