GRBModel::addVars()

Add new decision variables to a model.

GRBVar* addVars ( int count,
    char type=GRB_CONTINUOUS )

GRBVar* addVars ( const double* lb,
    const double* ub,
    const double* obj,
    const char* type,
    const string* names,
    int count )

GRBVar* addVars ( const double* lb,
    const double* ub,
    const double* obj,
    const char* type,
    const string* names,
    const GRBColumn* cols,
    int count )