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cplexAPI (version 1.4.0)

preslvWriteCPLEX: Write a Presolved Version of the Problem to File

Description

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

Usage

preslvWriteCPLEX(env, lp, fname)

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.

fname

Single character value giving the file name to write to.

Value

If successful a dingle numeric value containing the objective value difference between the original problem and the presolved problem, otherwise an instance of class "'>cplexError".

Details

Interface to the C function preslvWrite which calls the CPLEX function CPXpreslvwrite.

References

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

See Also

readCopyProbCPLEX