public JsonResult DiferenciacionNumerica(DiferenciacionNumerica_Model model)
        {
            DiferenciacionNumerica dn = new DiferenciacionNumerica();

            double[] list1 = new double[model.values.Count];
            double[] list2 = new double[model.values.Count];


            for (int i = 0; i < model.values.Count; i++)
            {
                list1[i] = (Double.Parse(model.values[i].y));
                list2[i] = (Double.Parse(model.values[i].x));
            }
            model.ans = new Answer_Model();

            model.ans.Res = dn.Calcular(list2, list1, model.xd, model.n);

            if (model.ans.Res[0] == 'L')
            {
                model.ans.status = 1;
            }
            else
            {
                model.ans.status = 2;
            }
            return(Json(model.ans));
        }
        public ActionResult DiferenciacionNumerica()
        {
            DiferenciacionNumerica_Model mE = new DiferenciacionNumerica_Model();

            mE.ans     = new Answer_Model();
            mE.n       = 2;
            mE.xd      = 1.5;
            mE.ans.Res = "30";
            return(View(mE));
        }