#20413: InteractiveLPProblem: Use standard-form transformation,
objective_constant_term
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Reporter: mkoeppe | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-7.2
Component: numerical | Resolution:
Keywords: lp | Merged in:
Authors: Matthias Koeppe | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/mkoeppe/fx_with_new_interactive_simplex_objshift|
c071f9a2a60f375c6b0fc731d73e5bcb89d5ea93
Dependencies: #20296, #20311, | Stopgaps:
#20301 |
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Comment (by mkoeppe):
I have not done any benchmarking, neither with real solvers, nor between
your two dictionary implementations. This could be a nice class project.
I have chosen the revised dictionary because that's what one "should" do.
I suppose if one does the benchmarking, one will see the expected result
that the revised method is faster when the number of nonbasics is large
enough.
I wrote `InteractiveLPBackend` because I needed a solver for some very
small LPs with irrational algebraic data (unrelated to the example in the
doctest!), for which there is simply no alternative solver available.
--
Ticket URL: <http://trac.sagemath.org/ticket/20413#comment:7>
Sage <http://www.sagemath.org>
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