Esempio n. 1
0
        private void calcDavButton_Click(object sender, EventArgs e)
        {
            //string f = "(Euler^x[1])-x[1]^3+1";

            //var res = Newton.Calcular(-1, f, 0.01);
            //Console.WriteLine(res);

            //string f1 = "(x[1]-2)^4 + (x[1]-2x[2])^2";
            //string f2 = "x[1]^2-2x[1]x[2]+4x[2]^2";
            //var res1 = Gradiente.Calcular(2, f2, 0.1, "1 1");
            //foreach (var item in res1)
            //{
            //    Console.WriteLine(item);
            //}
            double[,] A = new double[2, 2] {
                { 3, 2 },
                { 1, 2 }
            };
            double[] B = new double[2]
            {
                10,
                5
            };
            //foreach (var item in NewtonMulti.SS(2, A, B))
            //{
            //    Console.WriteLine(item);
            //}
            //double[] x0 = new double[2] { 0, 2 };
            //string f3 = "2x[1]^2+2x[1]x[2]+x[2]^2+x[1]+x[2]";
            //var x = NewtonMulti.Calcular(2, f3, 0.1, "2 2");
            //double[,] M = new double[2, 2]
            //{
            //    { 2, 1 },
            //    { 1, 4 }
            //};
            //double[,] N = new double[2, 2]
            //{
            //    { 2, 2 },
            //    { 3, 4 }
            //};

            //var r = GradConjugado.MultMatriz(M, N);
            //for (int i = 0; i < r.GetLength(0); i++)
            //{
            //    for (int j = 0; j < r.GetLength(1); j++)
            //    {
            //        Console.WriteLine(r[i, j]);
            //    }
            //}

            //string f4 = "x[1]^2+3x[1]^3+2x[1]";
            //var asd = DerivadasMultivariaveis.Derivada2(1, f4, new double[1] { 0.5 }, 0);

            //double[,] Q = new double[2, 2]
            //{
            //    { 5, 1 },
            //    { 1, 2 }
            //};

            //double[] b = new double[2] { 24, 12 };

            //var t = GradConjugado.Calcular(2, 0.2, "0 0", Q, "24 12");

            string f = "(x[1]-2)^4+(x[1]-2*x[2])^2";

            double[] xk   = { 0, 3 };
            double   erro = 0.01;

            Console.WriteLine(f);
            int n = 2;
            var t = HookeJeeves.Calcular(f, xk, erro, n);

            //double[] xk = { 0, 3 };
            //double erro = 0.01;
            //Console.WriteLine(f);
            //int n = 2;
            //var t = CoordCiclicas.Calcular(f, xk, erro, n);

            //Console.WriteLine(t[0]);
            //Console.WriteLine(t[1]);

            //string f = "x[1]^3-x[1]^2+2x[2]^2-2x[2]";
            //var t = FletcherReeves.Calcular(2, f, 0.01, "1 1");

            //var t = DavidonFletcherPowell.Calcular(2, f, 0.1, "0 0");
        }
Esempio n. 2
0
        private void Button_Click(object sender, EventArgs e)
        {
            try {
                switch (tipo_selec)
                {
                case Métodos.Coordenadas_Cíclicas:
                    var xotimo = CoordCiclicas.Calcular(funcCiclicasTextBox.Text, (x1CiclicasTextBox.Text).SplitToDoubles(), double.Parse(eCiclicasNumericUpDown.Value.ToString()), int.Parse(nCiclicasNumericUpDown.Value.ToString()));
                    xotimoCiclicasTextBox.Text = xotimo.ParaString();
                    break;

                case Métodos.Hooke_and_Jeeves:
                    string f   = fHookeTextBox.Text;
                    string x1  = x1HookeTextBox.Text;
                    double err = double.Parse(eHookeNumericUpDown.Value.ToString());
                    int    n   = int.Parse(nHookeNumericUpDown.Value.ToString());
                    var    aux = x1.SplitToDoubles();
                    xotimo = HookeJeeves.Calcular(f, aux, err, n);
                    xotimoHookeTextBox.Text = xotimo.ParaString();
                    break;

                case Métodos.Gradiente:
                    f      = fGradTextBox.Text;
                    x1     = x1GradTextBox.Text;
                    err    = double.Parse(eGradNumericUpDown.Value.ToString());
                    n      = int.Parse(nGradNumericUpDown.Value.ToString());
                    xotimo = Gradiente.Calcular(n, f, err, x1);
                    xotimoGradTextBox.Text = xotimo.ParaString();
                    break;

                case Métodos.Newton:
                    f      = fNewtonTextBox.Text;
                    x1     = x1NewtonTextBox.Text;
                    err    = double.Parse(eNewtonNumericUpDown.Value.ToString());
                    n      = int.Parse(nNewtonNumericUpDown.Value.ToString());
                    xotimo = NewtonMulti.Calcular(n, f, err, x1);
                    xotimoNewtonTextBox.Text = xotimo.ParaString();
                    break;

                case Métodos.Gradiente_Conj_Gen:
                    f      = fGradConjTextBox.Text;
                    x1     = x1GradConjTextBox.Text;
                    err    = double.Parse(eGradConjNumericUpDown.Value.ToString());
                    n      = int.Parse(nGradConjNumericUpDown.Value.ToString());
                    xotimo = GradConjugado.Calcular(n, err, f, x1);
                    xotimoGradConjTextBox.Text = xotimo.ParaString();
                    break;

                case Métodos.Fletcher_and_Reeves:
                    f      = fNewtonTextBox.Text;
                    x1     = x1FletchTextBox.Text;
                    err    = double.Parse(eFletchNumericUpDown.Value.ToString());
                    n      = int.Parse(nFletchNumericUpDown.Value.ToString());
                    xotimo = FletcherReeves.Calcular(n, f, err, x1);
                    xotimoFletchTextBox.Text = xotimo.ParaString();
                    break;

                case Métodos.Davidon_Fletcher_Powell:
                    f      = fDavTextBox.Text;
                    x1     = x1DavTextBox.Text;
                    err    = double.Parse(eDavNumericUpDown.Value.ToString());
                    n      = int.Parse(nDavNumericUpDown.Value.ToString());
                    xotimo = DavidonFletcherPowell.Calcular(n, f, err, x1);
                    xotimoDavTextBox.Text = xotimo.ParaString();
                    break;

                default:
                    break;
                }
            }
            catch (Exception excep)
            {
                MessageBox.Show(excep.Message);
            }
        }