#12823: Allow constants for objective function & deletion of rows in
MixedIntegerLinearProgram
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Reporter: john_perry | Owner: ncohen
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.0
Component: linear programming | Resolution:
Keywords: solver objective | Work issues: failing doctests
Report Upstream: N/A | Reviewers:
Authors: john_perry, ncohen | Merged in:
Dependencies: #12220, #12736, #12833 | Stopgaps:
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Comment (by john_perry):
On '''sage-5.0.beta8''', I have the following patches applied '''first''':
trac_12220-all_tests_pass.patch, trac_12220-mad+doc.patch,
trac_12220-nocache.patch, trac_12736_more_solver_options_for_glpk.patch
(and in that order!). Then I apply
[attachment:trac_12823_rolls_all_into_one.patch].
This now works for me on three different versions of sage. I have
confirmed that it works with GLPK and Coin (using `sage -t -optional
sage/numerical/backends/coin_backend.pyx`), so we need testing of CPLEX
and Gurobi. Since Nathann added #12833 as a dependency due to some changes
in Gurobi, I presume that this may also be required to test that.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12823#comment:39>
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