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cplexAPI (version 1.4.0)

refineMIPstartConflictCPLEX: Refine a Conflict in Order to Determine Why a Given MIP Start is Not Feasible

Description

Low level interface function to the IBM ILOG CPLEX function CPXrefinemipstartconflict. Consult the IBM ILOG CPLEX documentation for more detailed information.

Usage

refineMIPstartConflictCPLEX(env, lp, mipstartindex)

Arguments

env

An object of class "'>cplexPtr" as returned by openEnvCPLEX. This is basically a pointer to an IBM ILOG CPLEX environment.

lp

An object of class "'>cplexPtr" as returned by initProbCPLEX. This is basically a pointer to an IBM ILOG CPLEX problem object.

mipstartindex

The index of the MIP start.

Value

If successful a list is returned:

confnumrows

number of linear constraints in the conflict

confnumcols

number of variable bounds in the conflict

otherwise an instance of class "'>cplexError".

Details

Interface to the C function refineMIPstartConflict which calls the CPLEX function CPXrefinemipstartconflict.

References

The IBM ILOG CPLEX home page at https://www.ibm.com/support/knowledgecenter/SSSA5P.

See Also

getConflictCPLEX