getNumNnzGLPK: Retrieve the Number of Constraint Coefficients

View source: R/glpkAPI.R

getNumNnzGLPKR Documentation

Retrieve the Number of Constraint Coefficients

Description

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

Usage

  getNumNnzGLPK(lp)

Arguments

lp

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

Details

Interface to the C function getNumNnz which calls the GLPK function glp_get_num_nz.

Value

Returns the number of non-zero elements in the constraint matrix of the specified problem object.

Author(s)

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

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

References

Based on the package glpk by Lopaka Lee.

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


glpkAPI documentation built on Nov. 10, 2022, 5:51 p.m.