#20447: Wrong result from delsarte_bound_additive_hamming_space with GLPK exact
simplex
-----------------------------+----------------------------
Reporter: mkoeppe | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.2
Component: coding theory | Keywords: lp
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
-----------------------------+----------------------------
(Using #20406)
{{{
sage: delsarte_bound_additive_hamming_space(19,15,7,isinteger=False)
3
sage: from sage.numerical.backends.generic_backend import get_solver
sage: def glpk_exact_solver():
b = get_solver(solver="GLPK")
b.solver_parameter("simplex_or_intopt", "exact_simplex_only")
return b
sage:
delsarte_bound_additive_hamming_space(19,15,7,solver=glpk_exact_solver,isinteger=False)
glp_exact: 54 rows, 20 columns, 795 non-zeros
...
2
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/20447>
Sage <http://www.sagemath.org>
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