private void TestSwingDistributionFunction()
        {
            var name = "Качели";
            var obj  = new Swing();

            chart4.Series[0].IsVisibleInLegend = false;
            chart4.Series.Add(name);
            chart4.Series[name].ChartType = SeriesChartType.Line;
            chart4.Series[name].Color     = Color.Red;
            for (double i = 1; i < 17; i += 0.001)
            {
                chart4.Series[name].Points.AddXY(i, obj.DistributionFunction(i));
            }
        }