#19097: Refactor run_[revised]_simplex_method; add
run_dual_[revised]_simplex_method
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Reporter: mkoeppe | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.9
Component: numerical | Resolution:
Keywords: lp | Merged in:
Authors: Peijun Xiao | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/novoselt/dual_simplex_method | 586d0fa61bc4dcb946558a16358d90e737d4960f
Dependencies: | Stopgaps:
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Comment (by novoselt):
Replying to [comment:12 mkoeppe]:
> Perhaps _preupdate_output should accept an argument whether it's in the
primal or the dual, to avoid guessing.
I thought about it, but for some reason didn't want to. As I can no longer
remember the reason, I've changed it to an argument.
Deprecated `ELLUL`.
Changed the message for infeasible problems to indicate the problematic
constraint/variable, mirroring "unbounded in x5 direction".
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Ticket URL: <http://trac.sagemath.org/ticket/19097#comment:14>
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