Ejemplo n.º 1
0
        public static void Main(string[] args)
        {
            /* create the IpoptProblem */
            HS071 p = new HS071();

            /* allocate space for the initial point and set the values */
            double[] x = { 1.0, 5.0, 5.0, 1.0 };

            IpoptReturnCode status;

            using (var problem = new IpoptProblem(p._n, p._x_L, p._x_U, p._m, p._g_L, p._g_U, p._nele_jac, p._nele_hess,
                                                  p.eval_f, p.eval_g, p.eval_grad_f, p.eval_jac_g, p.eval_h))
            {
                /* Set some options.  The following ones are only examples,
                 * they might not be suitable for your problem. */
                problem.AddOption("derivative_test", "second-order");
                problem.AddOption("tol", 1e-7);
                problem.AddOption("mu_strategy", "adaptive");
                problem.AddOption("output_file", "hs071.txt");

#if INTERMEDIATE
                problem.SetIntermediateCallback(p.intermediate);
#endif
                /* solve the problem */
                double obj;
                status = problem.SolveProblem(x, out obj, null, null, null, null);
            }

            Console.WriteLine("{0}{0}Optimization return status: {1}{0}{0}", Environment.NewLine, status);

            for (int i = 0; i < 4; ++i)
            {
                Console.WriteLine("x[{0}]={1}", i, x[i]);
            }

            Console.WriteLine("{0}Press <RETURN> to exit...", Environment.NewLine);
            Console.ReadLine();
        }
Ejemplo n.º 2
0
        public static void Main(string[] args)
        {
            /* create the IpoptProblem */
            HS071 p = new HS071();

            /* allocate space for the initial point and set the values */
            double[] x = { 1.0, 5.0, 5.0, 1.0 };

            IpoptReturnCode status;

            using (var problem = new IpoptProblem(p._n, p._x_L, p._x_U, p._m, p._g_L, p._g_U, p._nele_jac, p._nele_hess,
                p.eval_f, p.eval_g, p.eval_grad_f, p.eval_jac_g, p.eval_h))
            {
                /* Set some options.  The following ones are only examples,
                   they might not be suitable for your problem. */
                problem.AddOption("derivative_test", "second-order");
                problem.AddOption("tol", 1e-7);
                problem.AddOption("mu_strategy", "adaptive");
                problem.AddOption("output_file", "hs071.txt");

            #if INTERMEDIATE
                problem.SetIntermediateCallback(p.intermediate);
            #endif
                /* solve the problem */
                double obj;
                status = problem.SolveProblem(x, out obj, null, null, null, null);
            }

            Console.WriteLine("{0}{0}Optimization return status: {1}{0}{0}", Environment.NewLine, status);

            for (int i = 0; i < 4; ++i) Console.WriteLine("x[{0}]={1}", i, x[i]);

            Console.WriteLine("{0}Press <RETURN> to exit...", Environment.NewLine);
            Console.ReadLine();
        }