getObjCoefGLPK function

Retrieve Objective Coefficient or Constant Term

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

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.

Returns

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.

References

Based on the package glpk by Lopaka Lee.

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

Author(s)

Gabriel Gelius-Dietrich geliudie@uni-duesseldorf.de

Maintainer: Mayo Roettger mayo.roettger@hhu.de