#15292: matroids.Uniform(r,r) returns wrong matroid
------------------------------+-----------------------------
Reporter: Stefan | Owner:
Type: defect | Status: new
Priority: minor | Milestone: sage-5.13
Component: matroid theory | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
------------------------------+-----------------------------
The following is wrong:
{{{
sage: M = matroids.Uniform(4,4)
sage: len(M.circuit_closures())
1
sage: N = matroids.Uniform(4,5).delete(4)
sage: len(N.circuit_closures())
0
sage: N.is_isomorphic(M)
True
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/15292>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/sage-trac.
For more options, visit https://groups.google.com/groups/opt_out.
