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;
}