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cplexAPI (version 1.4.0)

getQPcoefCPLEX: Access the Quadratic Coefficient in the Matrix Q

Description

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

Usage

getQPcoefCPLEX(env, lp, i, j)

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.

i

The row number in Q.

j

The row column in Q.

Value

Specified quadratic coefficient in the matrix Q if successful, otherwise an instance of class "'>cplexError".

Details

Interface to the C function getQPcoef which calls the CPLEX function CPXgetqpcoef.

References

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