public void DrawDer(BinaryTree tree)
{
this.treeDerA = tree;
Graphics g = p1.CreateGraphics();
float xin = p1.Width / 2;
float yin = p1.Height / 2;
g.TranslateTransform(xin, yin);
for (float i = -xin; i <= xin; i++)
{
try
{
float x1 = i / this.coef;
float x2 = (i + 1) / this.coef;
float y1 = (float)tree.CalculateDer(x1);
float y2 = (float)tree.CalculateDer(x2);
g.DrawLine(Pens.Orange, x1 * this.coef, -y1 * this.coef, x2 * this.coef, -y2 * this.coef);
}
catch (OverflowException)
{
}
}
}
private void DrawDerivativeAna()
{
var myModel = new PlotModel {
Title = tree.ReadDerivative()
};
FunctionSeries series = new FunctionSeries();
for (double i = -10; i < 10; i++)
{
double y = tree.CalculateDer(i);
series.Points.Add(new DataPoint(i, y));
}
myModel.Series.Add(series);
this.plot1.Model = myModel;
}