getObjCoefGLPK {glpkAPI}

Retrieve Objective Coefficient or Constant Term

Description

Low level interface function to the GLPK function glp_get_obj_coef. Consult the GLPK documentation for more detailed information.

Usage

  getObjCoefGLPK(lp, j)

Arguments

lp

An object of class "glpkPtr" as returned by initProbGLPK. This is basically a pointer to a GLPK problem object.

j

Column number j.

Details

Interface to the C function getObjCoef which calls the GLPK function glp_get_obj_coef.

Value

The objective coefficient at the j-th column (the corresponding structural variable) is returned. If j is 0, the constant term “shift” of the objective function is returned.

Author(s)

Gabriel Gelius-Dietrich <[e-mail]>

Maintainer: Mayo Roettger <[e-mail]>

References

Based on the package glpk by Lopaka Lee.

The GNU GLPK home page at http://www.gnu.org/software/glpk/glpk.html.