#20500: LPAbstractDictionary: Refactor leaving_coefficients,
entering_coefficients
using new methods row_coefficients, column_coefficients
-------------------------------------+-------------------------------------
Reporter: mkoeppe | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-7.2
Component: numerical | Resolution:
Keywords: lp | Merged in:
Authors: Peijun Xiao, | Reviewers:
Matthias Koeppe | Work issues:
Report Upstream: N/A | Commit:
Branch: | 4e9955ec46e63490c8c884b9ca74111b42282fdb
u/mkoeppe/lpabstractdictionary__refactor_leaving_coefficients__entering_coefficients_using_new_methods_row_coefficients__column_coefficients|
Stopgaps:
Dependencies: |
-------------------------------------+-------------------------------------
Changes (by mkoeppe):
* status: new => needs_review
Old description:
> This is preparation for the cutting plane method (#18805 ), which needs
> to read out a row of the dictionary.
> (Seems cleaner than having to do "leave(i), get leaving_coefficients(),
> leave(None)".)
New description:
This is preparation for the cutting plane method (#18805 ), which needs to
read out a row of the dictionary.
(Seems cleaner than having to do "leave(i), get leaving_coefficients(),
leave(None)".)
The patch is also adding @abstract_method stubs for the methods that the
concrete dictionaries need to implement.
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Ticket URL: <http://trac.sagemath.org/ticket/20500#comment:4>
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