#14666: Test if a weight function is generic for a given matroid
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Reporter: Stefan | Owner: Stefanf
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-7.2
Component: matroid theory | Resolution:
Keywords: matroid, weight | Merged in:
function | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | 059b6d3816eae7412bc5e6570c17888fa2b75678
public/ticket/14666 | Stopgaps:
Dependencies: |
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Comment (by Stefan):
Replying to [comment:17 darij]:
> OK, that's a nice algorithm! That said, I don't really understand the
way you implemented it; the concrete meaning of `smres` is unclear to me
(some loop invariants might be helpful).
>
> The two methods are really supposed to do the same thing, just in
different ways? Are the ways really functionally different, i.e. one is a
lot faster in some situations and the other in others?
>
> I'd also be indebted if you could do the fixes I suggested in my
previous post. I don't trust myself that much with cpdefs...
I would expect the second function to be the dual of the first. Is that
the case here?
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Ticket URL: <http://trac.sagemath.org/ticket/14666#comment:19>
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