chgColTypeCPLEX: Change Types of a Set of Variables of a CPLEX Problem Object

Description Usage Arguments Details Value Author(s) References

View source: R/cplexAPI.R

Description

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

Usage

1
  chgColTypeCPLEX(env, lp, ncols, ind, xctype)

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.

ncols

Number of bounds to be changed.

ind

Indices of bounds to be changed.

xctype

A vector containing characters that represent the new types for the columns specified in indices.

Details

Interface to the C function chgColType which calls the CPLEX function CPXchgctype.

Value

Zero if successful, otherwise nonzero.

Author(s)

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

Maintainer: Mayo Roettger <mayo.roettger@hhu.de>

References

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


cplexAPI documentation built on Oct. 23, 2020, 5:45 p.m.