#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: | c75ee707326fc1cc1beb0e265359c0f93cb84ac2
public/ticket/14666 | Stopgaps:
Dependencies: |
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Comment (by darij):
Nice, this looks a lot better. But I still struggle to find a mental model
for `smres`. From your description of the algorithm, it should be the list
containing all elements of `res` having higher weight than `e`, and `e`
itself. But from the code, it seems to be the list containing all elements
of `res` having higher weight than `e`, and the first element of `res`
that has the same weight as `e` (because `e` does not get appended to
`smres` unless `e` sets a negative weight record). Am I reading the code
right, and is this an actual issue? Thank you!
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Ticket URL: <http://trac.sagemath.org/ticket/14666#comment:34>
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