glpkAPI (version 1.2.7)

getObjCoefsGLPK: Retrieve Objective Coefficients at Specified Columns and/or Constant Term

Description

This is an advanced version of getObjCoefGLPK. Here, j can be an integer vector.

Usage

getObjCoefsGLPK(lp, j)

Arguments

lp

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

j

Vector of column numbers.

Value

• The objective coefficient at all specified columns (j) (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.