[Cbc-tickets] [COIN-OR Branch-and-Cut MIP Solver] #178: MIP Integer Optimality Tolerance (ratioGap) Not Respected

COIN-OR Branch-and-Cut MIP Solver coin-trac at coin-or.org
Wed Sep 6 10:48:58 EDT 2017


#178: MIP Integer Optimality Tolerance (ratioGap) Not Respected
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Reporter:  mforness  |       Owner:  tkr
    Type:  defect    |      Status:  new
Priority:  major     |   Component:  Cbc
 Version:  2.9.4     |  Resolution:
Keywords:            |
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Comment (by mforness):

 You're absolutely right. I was misinterpreting the ratioGap parameter as
 the gap from the LP relaxation bound. Thanks for the quick response and
 correction!

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Ticket URL: <https://projects.coin-or.org/Cbc/ticket/178#comment:2>
COIN-OR Branch-and-Cut MIP Solver <http://projects.coin-or.org/Cbc>
An LP-based branch-and-cut MIP solver.



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