Cplex cplex = new Cplex();
                INumVar[] x = cplex.NumVarArray(n, 0, 100);
                //INumVar[] y = cplex.NumVarArray(T,0,1);
                INumVar[] y = cplex.BoolVarArray(T);
                //****** Ctr1 ******/
                for (int t = 0; t < T; t++)
                {
                    double[] rt = r[t];
                    cplex.AddGe(cplex.ScalProd(rt, x), cplex.Prod(V, y[t]));
                }
                //*******************
                //****** Ctr2 ******/
                cplex.AddGe(cplex.Sum(y), q);
                //*******************
                //****** Ctr3 ******/
                cplex.AddEq(cplex.Sum(x), 100);
                //*******************
                //****** Ctr4 ******/
                for (int i = 0; i < x.Length; i++)
                    cplex.AddGe(x[i], 0);
                for (int i = 0; i < x.Length; i++)
                    cplex.AddLe(x[i], u[i]);
                //*******************
                //function 
                ILinearNumExpr expr = cplex.LinearNumExpr();
                for (int j = 0; j < n; j++)
                    for (int t = 0; t < T; t++)
                        expr.AddTerm(x[j], r[t][j] / T);
                cplex.AddMaximize(expr);
                
                cplex.SetParam(Cplex.IntParam.ItLim, 15 *60);