Low level interface function to the IBM ILOG CPLEX function
CPXgetqpcoef. Consult the IBM ILOG CPLEX documentation for more
detailed information.
getQPcoefCPLEX(env, lp, i, j)An object of class "'>cplexPtr" as returned by
openEnvCPLEX. This is basically a pointer to an
IBM ILOG CPLEX environment.
An object of class "'>cplexPtr" as returned by
initProbCPLEX. This is basically a pointer to an
IBM ILOG CPLEX problem object.
The row number in Q.
The row column in Q.
Specified quadratic coefficient in the matrix Q if successful, otherwise an
instance of class "'>cplexError".
Interface to the C function getQPcoef which calls the CPLEX
function CPXgetqpcoef.
The IBM ILOG CPLEX home page at https://www.ibm.com/support/knowledgecenter/SSSA5P.