Accesses Reduced Costs for a Range of Variables of a Linear or Quadratic Program

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Description

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

Usage

1
  getDjCPLEX(env, lp, begin, end)

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.

begin

An integer specifying the beginning of the range of reduced-cost values to be returned.

end

An integer specifying the end of the range of reduced-costs values to be returned.

Details

Interface to the C function getDj which calls the CPLEX function CPXgetdj.

Value

Reduced costs 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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