Opened 2 years ago

#21498 new enhancement

Unify/document write_lp, write_mps behavior regarding filenames and problem transformations

Reported by: mkoeppe Owned by:
Priority: major Milestone: sage-7.4
Component: numerical Keywords: lp
Cc: Merged in:
Authors: Reviewers:
Report Upstream: N/A Work issues:
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Dependencies: Stopgaps:

Description

Different MIP backend implement write_lp, write_mps in different ways, in particular regarding filenames (is the extension ".lp" added?) and what they do regarding the objective sense (min/max).

Document this and unify if possible.

In particular, compare for the COIN backend's and the GLPK backend's write_lp output for maximization problems.

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