#20301: Polyhedron.to_linear_program should return the MIP variable used
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Reporter: mkoeppe | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.2
Component: geometry | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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#18815 introduced `Polyhedron.to_linear_program` -- but there's very
little one can do with it.
To
- set an objective other than the default 0;
- access an optimal solution vector after solving,
one needs the MIP variable (`x` in the code of `to_linear_program`).
Currently the only way to do anything is by using the MIP backend.
I would propose to return `x` as a second return value, but this of course
changes the interface.
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Ticket URL: <http://trac.sagemath.org/ticket/20301>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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