Change Sense of a Set of Linear Constraints

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Description

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

Usage

1
  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.

Details

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

Value

Zero if successful, otherwise nonzero.

Author(s)

Gabriel Gelius-Dietrich <geliudie@uni-duesseldorf.de>

Maintainer: Claus Jonathan Fritzemeier <clausjonathan.fritzemeier@uni-duesseldorf.de>

References

The IBM ILOG CPLEX home page at https://www.ibm.com/developerworks/university/academicinitiative/.

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