#16504: A mandatory 'nonnegative' argument for
MixedIntegerLinearProgram.new_variable() until the standard changes
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Reporter: jdemeyer | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.3
Component: linear | Resolution:
programming | Merged in:
Keywords: | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: u/ncohen/16504 | b1f43af754d4ab7e136015519c7fc0cdbe32dd36
Dependencies: | Stopgaps:
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Comment (by dimpase):
As now `p.set_min(v,17)` becomes possible, why not have optional `max` and
`min` in `new_variable()` (many solvers have it, at least per variable) ?
E.g. `v=p.new_variable(min=17, max=18)`. A usual application is relaxation
of binary IPs, so one would have real variables `p.new_variable(min=0,
max=1)`.
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Ticket URL: <http://trac.sagemath.org/ticket/16504#comment:18>
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