public static void drawChartPlots(int timeLayer, double[,] a, double[,] b,
            System.Windows.Forms.DataVisualization.Charting.Chart chart1)
        {
            if (a == null)
                return;
            chart1.ChartAreas.Clear();
            chart1.ChartAreas.Add("ChartArea1");
            while (chart1.Series.Count > 0)
                chart1.Series.RemoveAt(0);
            chart1.Series.Add("0");
            chart1.Series.Add("1");
            chart1.ChartAreas["ChartArea1"].AxisX.Minimum = 0;
            chart1.ChartAreas["ChartArea1"].AxisX.Maximum = Math.PI;
            chart1.ChartAreas["ChartArea1"].AxisY.Minimum = -0.5;
            chart1.ChartAreas["ChartArea1"].AxisY.Maximum = 2;
            chart1.Series["0"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Spline;
            chart1.Series["1"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Spline;

            chart1.Series["0"].Color = System.Drawing.Color.Red;
            chart1.Series["1"].Color = System.Drawing.Color.Blue;
            double x = 0;
            for (int i = 0; i <= Algorithms_lab2.N; i++)
            {
                chart1.Series["0"].Points.AddXY(x, a[timeLayer, i]);
                x += Algorithms_lab2.h;
            }
            x = 0;
            for (int i = 0; i <= Algorithms_lab2.N; i++)
            {
                chart1.Series["1"].Points.AddXY(x, b[timeLayer, i]);
                x += Algorithms_lab2.h;
            }
        }