Provides Starting Information for Use in a Subsequent Call to a Simplex Optimization Routine.

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Description

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

Usage

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  copyStartCPLEX(env, lp,
                 cstat = NULL, rstat = NULL,
                 cprim = NULL, rprim = NULL,
                 cdual = NULL, rdual = NULL)

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.

cstat

A vector containing the basis status of the columns in the constraint matrix.

rstat

A vector containing the basis status of the slack, surplus, or artificial variable associated with each row in the constraint matrix.

cprim

A vector containing the initial primal values of the column variables.

rprim

A vector containing the initial primal values of the slack (row) variables.

cdual

A vector containing the initial values of the reduced costs for the column variables.

rdual

A vector containing the initial values of the dual variables for the rows.

Details

Interface to the C function copyStart which calls the CPLEX function CPXcopyStart.

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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