getCoefCPLEX: Access a Single Constraint Matrix Coefficient

Description Usage Arguments Details Value Author(s) References

Description

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

Usage

1
  getCoefCPLEX(env, lp, i, j)

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.

i

An integer specifying the numeric index of the row.

j

An integer specifying the numeric index of the column.

Details

Interface to the C function getCoef which calls the CPLEX function CPXgetcoef.

Value

Matrix coefficient value if successful, otherwise an instance of class "cplexError".

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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