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glpkAPI (version 1.3.0)

getNumNnzGLPK: 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.

Value

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

Details

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

References

Based on the package glpk by Lopaka Lee.

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