getBaseCPLEX: Access Basis Resident in 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 CPXgetbase. Consult the IBM ILOG CPLEX documentation for more detailed information.

Usage

1
  getBaseCPLEX(env, lp)

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.

Details

Interface to the C function getBase which calls the CPLEX function CPXgetbase.

Value

If successful a list is returned:

cstat

basis status of the columns in the CPLEX problem object

rstat

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

otherwise an instance of class "cplexError".

Author(s)

Gabriel Gelius-Dietrich <[email protected]>

Maintainer: Claus Jonathan Fritzemeier <[email protected]>

References

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


cplexAPI documentation built on May 29, 2017, 9:30 a.m.