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cplexAPI (version 1.4.0)

chgSenseCPLEX: Change Sense of a Set of Linear Constraints

Description

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

Usage

chgSenseCPLEX(env, lp, nrows, ind, sense)

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.

nrows

Number of bounds to be changed.

ind

Indices of bounds to be changed.

sense

A vector containing characters that tell the new sense of the linear constraints specified in ind.

Value

Zero if successful, otherwise nonzero.

Details

Interface to the C function chgSense which calls the CPLEX function CPXchgsense.

References

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