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.Arguments
lp
An object of class "glpkPtr" as returned by
initProbGLPK. This is basically a pointer to a GLPK problem
object. Value
- Returns the number k of a variable, which causes primal or dual unboundedness.
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.