public void UpdateChart()
{
DifferentiaEquationl2nd dif;
double x1 = (point1.X - pictureBox1.Width / 2) / 100;
double x2 = (point2.X - pictureBox1.Width / 2) / 100;
double y1 = (point1.Y - pictureBox1.Height / 2) / 100;
double y2 = (point2.Y - pictureBox1.Height / 2) / 100;
if (y1 != 0)
{
dif = new DifferentiaEquationl2nd(1, -2 * x1, x1 * x1 + y1 * y1, set.K);
}
else
{
dif = new DifferentiaEquationl2nd(1, -(x1 + x2), x1 * x2, set.K);
}
chart1.Series.Clear();
chart1.Series.Add("Y");
chart1.Series["Y"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
chart1.Series["Y"].BorderWidth = 3;
double[] y = dif.decision(set.Step, set.Max, set.Y0, set.Dy0);
int j = 0;
for (double i = 0; i <= set.Max; i += set.Step)
{
this.chart1.Series["Y"].Points.AddXY(i, y[j]);
j++;
}
this.textBox1.Text = dif.toStr();
}
public void UpdateChart()
{
DifferentiaEquationl2nd dif;
double x1 = (point1.X - pictureBox1.Width / 2) / 100;
double x2 = (point2.X - pictureBox1.Width / 2) / 100;
double y1 = (point1.Y - pictureBox1.Height / 2) / 100;
double y2 = (point2.Y - pictureBox1.Height / 2) / 100;
if (y1 != 0)
{
dif = new DifferentiaEquationl2nd(1, -2 * x1, x1 * x1 + y1 * y1, set.K);
}
else
{
dif = new DifferentiaEquationl2nd(1, -(x1 + x2), x1 * x2, set.K);
}
chart1.Series.Clear();
double[] DY = { 0, 1, 1, -1, -1, 2, -2, 2, -2, 2 };
double[] Y = { 0, -1, 1, -1, 1, 2, 2, -2, -2, 1 };
for (int i = 0; i < 10; i++)
{
chart1.Series.Add("Y" + i);
chart1.Series["Y" + i].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
chart1.Series["Y" + i].BorderWidth = 3;
chart1.Series["Y" + i].Color = Color.Blue;
double[] y = dif.decision(set.Step, set.Max, Y[i], DY[i]);
double[] dY = dif.Mas;
for (int j = 0; j < dY.Length; j++)
{
this.chart1.Series["Y" + i].Points.AddXY(y[j], dY[j]);
j++;
}
}
this.textBox1.Text = dif.toStr();
}
