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cplexAPI (version 1.4.0)

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

Description

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

Usage

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.

Value

Zero if successful, otherwise nonzero.

Details

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

References

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