getNumColsCPLEX: Access the Number of Columns in the Constraint Matrix

Description Usage Arguments Details Value Author(s) References

View source: R/cplexAPI.R

Description

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

Usage

1
  getNumColsCPLEX(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 getNumCols which calls the CPLEX function CPXgetnumcols.

Value

If successful the number of variables is returned. If env or lp do not exist, zero is returned.

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.