Beispiel #1
0
        private void AddData()
        {
            double[] x0 = new double[8];
            double[] y0 = new double[8];
            double[] x  = new double[70];

            for (int i = 0; i < x0.Length; i++)
            {
                x0[i] = 1.0 * i;
                y0[i] = Math.Sin(x0[i]);
            }

            for (int i = 0; i < x.Length; i++)
            {
                x[i] = i / 10.0;
            }

            double[] y = InterpolationAlgorithms.Lagrangian(x0, y0, x);

            myChart.DataCollection.DataList.Clear();

            // plot interpolated data:
            LineCharts.DataSeries ds = new LineCharts.DataSeries();
            ds.LineColor           = Brushes.Transparent;
            ds.SeriesName          = "Interpolated";
            ds.Symbols.SymbolType  = LineCharts.Symbols.SymbolTypeEnum.Dot;
            ds.Symbols.SymbolSize  = 3;
            ds.Symbols.BorderColor = Brushes.Red;
            for (int i = 0; i < x.Length; i++)
            {
                ds.LineSeries.Points.Add(new Point(x[i], y[i]));
            }
            myChart.DataCollection.DataList.Add(ds);


            // Plot original data
            ds                     = new LineCharts.DataSeries();
            ds.LineColor           = Brushes.Transparent;
            ds.SeriesName          = "Original";
            ds.Symbols.SymbolType  = LineCharts.Symbols.SymbolTypeEnum.Diamond;
            ds.Symbols.BorderColor = Brushes.DarkBlue;
            for (int i = 0; i < x0.Length; i++)
            {
                ds.LineSeries.Points.Add(new Point(x0[i], y0[i]));
            }
            myChart.DataCollection.DataList.Add(ds);
            myChart.IsLegend       = true;
            myChart.LegendPosition = LineCharts.Legend.LegendPositionEnum.NorthEast;
        }
        private void AddData()
        {
            double[] x0 = new double[] { 1, 2, 3 };
            double[] y0 = new double[] { 1, 5, 4 };
            double[] x  = new double[199];
            for (int i = 0; i < x.Length; i++)
            {
                x[i] = 1.01 + i / 100.0;
            }
            double[] y = InterpolationAlgorithms.Spline(x0, y0, x);

            myChart.DataCollection.DataList.Clear();
            LineCharts.DataSeries ds;

            // Plot original data
            ds                     = new LineCharts.DataSeries();
            ds.LineColor           = Brushes.Transparent;
            ds.SeriesName          = "Original";
            ds.Symbols.SymbolType  = LineCharts.Symbols.SymbolTypeEnum.Dot;
            ds.Symbols.BorderColor = Brushes.DarkBlue;
            for (int i = 0; i < x0.Length; i++)
            {
                ds.LineSeries.Points.Add(new Point(x0[i], y0[i]));
            }
            myChart.DataCollection.DataList.Add(ds);

            // plot interpolated data:
            ds            = new LineCharts.DataSeries();
            ds.LineColor  = Brushes.DarkGreen;
            ds.SeriesName = "Interpolated";
            for (int i = 0; i < x.Length; i++)
            {
                ds.LineSeries.Points.Add(new Point(x[i], y[i]));
            }
            myChart.DataCollection.DataList.Add(ds);

            myChart.IsLegend       = true;
            myChart.LegendPosition = LineCharts.Legend.LegendPositionEnum.NorthWest;
        }
        private void AddData()
        {
            double[] x0 = new double[] { 1950, 1960, 1970, 1980, 1990 };
            double[] y0 = new double[] { 150.697, 179.323, 203.212, 226.505, 249.633 };
            double[] x  = new double[] { 1952, 1955, 1958, 1962, 1965, 1968, 1972, 1975, 1978, 1982, 1985, 1988 };
            double[] y  = InterpolationAlgorithms.NewtonDividedDifference(x0, y0, x);

            myChart.DataCollection.DataList.Clear();
            LineCharts.DataSeries ds;

            // plot interpolated data:
            ds                     = new LineCharts.DataSeries();
            ds.LineColor           = Brushes.Transparent;
            ds.SeriesName          = "Interpolated";
            ds.Symbols.SymbolType  = LineCharts.Symbols.SymbolTypeEnum.Circle;
            ds.Symbols.BorderColor = Brushes.Red;
            for (int i = 0; i < x.Length; i++)
            {
                ds.LineSeries.Points.Add(new Point(x[i], y[i]));
            }
            myChart.DataCollection.DataList.Add(ds);

            // Plot original data
            ds                     = new LineCharts.DataSeries();
            ds.LineColor           = Brushes.DarkGreen;
            ds.SeriesName          = "Original";
            ds.Symbols.SymbolType  = LineCharts.Symbols.SymbolTypeEnum.Dot;
            ds.Symbols.BorderColor = Brushes.DarkBlue;
            for (int i = 0; i < x0.Length; i++)
            {
                ds.LineSeries.Points.Add(new Point(x0[i], y0[i]));
            }
            myChart.DataCollection.DataList.Add(ds);
            myChart.IsLegend       = true;
            myChart.LegendPosition = LineCharts.Legend.LegendPositionEnum.NorthWest;
        }
        private void AddData()
        {
            double[] x0 = new double[15];
            double[] y0 = new double[15];
            double[] xe = new double[101];
            double[] ye = new double[101];

            double[] x = new double[31];


            for (int i = 0; i < x0.Length; i++)
            {
                x0[i] = Math.Round(-1.2 + i / 5.0, 3);
                y0[i] = Math.Round(Math.Sin(8 * x0[i]) + 0.5 * x0[i] - x0[i] * x0[i], 2);
            }

            for (int i = 0; i < xe.Length; i++)
            {
                xe[i] = Math.Round(-1.0 + i / 50.0, 3);
                ye[i] = Math.Round(Math.Sin(8 * xe[i]) + 0.5 * xe[i] - xe[i] * xe[i], 2);
            }

            for (int i = 0; i < x.Length; i++)
            {
                x[i] = Math.Round(-1.0 + i / 15.0, 3);
            }

            double[] y = InterpolationAlgorithms.Lagrangian(x0, y0, x);

            myChart.DataCollection.DataList.Clear();
            LineCharts.DataSeries ds;

            // Plot exact data:
            ds            = new LineCharts.DataSeries();
            ds.LineColor  = Brushes.DarkGreen;
            ds.SeriesName = "Exact";
            for (int i = 1; i < xe.Length - 1; i++)
            {
                ds.LineSeries.Points.Add(new Point(xe[i], ye[i]));
            }
            myChart.DataCollection.DataList.Add(ds);

            // plot interpolated data:
            ds                     = new LineCharts.DataSeries();
            ds.LineColor           = Brushes.Transparent;
            ds.SeriesName          = "Interpolated";
            ds.Symbols.SymbolType  = LineCharts.Symbols.SymbolTypeEnum.Circle;
            ds.Symbols.BorderColor = Brushes.Red;
            for (int i = 1; i < x.Length - 1; i++)
            {
                ds.LineSeries.Points.Add(new Point(x[i], y[i]));
            }
            myChart.DataCollection.DataList.Add(ds);

            // Plot original data
            ds                     = new LineCharts.DataSeries();
            ds.LineColor           = Brushes.Transparent;
            ds.SeriesName          = "Original";
            ds.Symbols.SymbolType  = LineCharts.Symbols.SymbolTypeEnum.Dot;
            ds.Symbols.BorderColor = Brushes.DarkBlue;
            for (int i = 0; i < x0.Length; i++)
            {
                ds.LineSeries.Points.Add(new Point(x0[i], y0[i]));
            }
            myChart.DataCollection.DataList.Add(ds);
            myChart.IsLegend       = true;
            myChart.LegendPosition = LineCharts.Legend.LegendPositionEnum.NorthWest;
        }