Learn R Programming

glpkAPI (version 1.3.0)

getObjCoefGLPK: 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.

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.

Details

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

References

Based on the package glpk by Lopaka Lee.

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