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cplexAPI (version 1.4.0)

getNumQPnzCPLEX: Return the Number of Nonzeros in the Q Matrix

Description

Low level interface function to the IBM ILOG CPLEX function CPXgetnumqpnz. Consult the IBM ILOG CPLEX documentation for more detailed information.

Usage

getNumQPnzCPLEX(env, lp)

Arguments

env

An object of class "'>cplexPtr" as returned by openEnvCPLEX. This is basically a pointer to an IBM ILOG CPLEX environment.

lp

An object of class "'>cplexPtr" as returned by initProbCPLEX. This is basically a pointer to an IBM ILOG CPLEX problem object.

Value

If successful the number of nonzeros in the Q matrix is returned. If env or lp do not exist, zero is returned.

Details

Interface to the C function getNumQPnz which calls the CPLEX function CPXgetnumqpnz.

References

The IBM ILOG CPLEX home page at https://www.ibm.com/support/knowledgecenter/SSSA5P.