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glpkAPI (version 1.3.4)

getUnbndRayGLPK: Determine Variable Causing Unboundedness

Description

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

Usage

getUnbndRayGLPK(lp)

Value

Returns the number k of a variable, which causes primal or dual unboundedness.

Arguments

lp

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

Author

Gabriel Gelius-Dietrich <geliudie@uni-duesseldorf.de>

Maintainer: Mayo Roettger <mayo.roettger@hhu.de>

Details

Interface to the C function getUnbndRay which calls the GLPK function glp_get_unbnd_ray.

References

Based on the package glpk by Lopaka Lee.

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