public ActionResult InterNewton()
        {
            InterNewton_Model model = new InterNewton_Model();
            InterpolacionLaGrange internew = new InterpolacionLaGrange();

            model.ans = new Answer_Model();
            model.ans.status = 0;
            return View(model);
        }
        public JsonResult InterNewton(InterNewton_Model model)
        {
            InterpolacionLaGrange internew = new InterpolacionLaGrange();
            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 ].x ) );
                list2[ i ] = ( Double.Parse( model.values[ i ].y ) );
            }
            model.ans = new Answer_Model();
            model.ans.Res = internew.Calculate(model.inter, list1, list2);
            if (model.ans.Res[0] == 'L')
                model.ans.status = 1;
            else
                model.ans.status = 2;
            return Json(model.ans);
        }