[Dip-tickets] [Dip] #77: Recompose solution error when in Phase I
Dip
coin-trac at coin-or.org
Tue Jul 5 17:22:10 EDT 2011
#77: Recompose solution error when in Phase I
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Reporter: mosu001 | Type: defect
Status: new | Priority: major
Version: trunk | Keywords:
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I have a facility location problem using price and cut and it generates an
error from recomposeSolution even though it has moved into Phase I after
generating a branch. As far as I can tell the m_firstPhase2Call causes the
solutionUpdateAsIP function to be called and this finds a feasible integer
solution, but it includes an artifical variable and so recomposeSolution
fails. I have attached the Dippy file that causes the error,
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Ticket URL: <https://projects.coin-or.org/Dip/ticket/77>
Dip <https://projects.coin-or.org/Dip>
An extensible software framework for implementing decompositon-based bounding algorithms for use in solving large-scale discrete optimization problems.
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