getColsLowBndsGLPK function

Retrieve Lower Bounds of Specified Columns

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

getColsLowBndsGLPK(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.

Details

Interface to the C function getColsLowBnds which calls the GLPK function glp_get_col_lb.

Returns

The lower bounds of all specified columns (j) (the corresponding structural variables) are 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