#13518: Additions for sensitivity analysis in glpk_backend
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Reporter: christiankuper |
Owner: jason, jkantor
Type: enhancement |
Status: needs_work
Priority: major |
Milestone: sage-5.6
Component: numerical |
Resolution:
Keywords: sensitivity analysis, lp, linear programming | Work
issues:
Report Upstream: N/A |
Reviewers: Nathann Cohen
Authors: Christian Kuper | Merged
in:
Dependencies: |
Stopgaps:
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Changes (by jdemeyer):
* status: positive_review => needs_work
Comment:
On arando (32-bit Linux i686):
{{{
sage -t --long -force_lib devel/sage/sage/numerical/mip.pyx
Writing problem data to
`/var/lib/buildbot/.sage/temp/arando/15990/lp_problem.mps'...
17 records were written
Writing problem data to
`/var/lib/buildbot/.sage/temp/arando/15990/lp_problem.lp'...
9 lines were written
GLPK Simplex Optimizer, v4.44
2 rows, 2 columns, 4 non-zeros
* 0: obj = 7.000000000e+00 infeas = 0.000e+00 (0)
* 2: obj = 9.400000000e+00 infeas = 0.000e+00 (0)
OPTIMAL SOLUTION FOUND
**********************************************************************
File
"/var/lib/buildbot/build/sage/arando-1/arando_full/build/sage-5.6.beta0/devel
/sage-main/sage/numerical/mip.pyx", line 1853:
sage: p.solve()
Expected:
9.399999999999999
Got:
9.4
**********************************************************************
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13518#comment:23>
Sage <http://www.sagemath.org>
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