public void DrawFunctionPolMat(BinaryTree tree)
{
this.treePolMat = 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.Calculate(x1);
float y2 = (float)tree.Calculate(x2);
g.DrawLine(Pens.Chartreuse, x1 * this.coef, -y1 * this.coef, x2 * this.coef, -y2 * this.coef);
}
catch (OverflowException)
{
}
}
}
private void DrawPrimitive()
{
var myModel = new PlotModel {
Title = tree.Read()
};
FunctionSeries series = new FunctionSeries();
for (double i = -10; i < 10; i++)
{
double y = tree.Calculate(i);
series.Points.Add(new DataPoint(i, y));
}
myModel.Series.Add(series);
this.plot1.Model = myModel;
}
public double Intergral(BinaryTree tree, double high, double low)
{
double integralsum = 0;
double number = 0;
this.treeI = tree;
this.High = high;
this.Low = low;
float xin = p1.Width / 2;
float yin = p1.Height / 2;
Graphics g = p1.CreateGraphics();
g.TranslateTransform(xin, yin);
for (float i = (float)low * this.coef; i <= (float)high * this.coef; i++)
{
try
{
float x1 = i / this.coef;
float y1 = (float)tree.Calculate(x1);
if (y1 * this.coef >= 0)
{
g.FillRectangle(Brushes.Green, x1 * this.coef, -y1 * this.coef, 1, y1 * this.coef);
integralsum += 1 * y1;
number++;
}
else
{
g.FillRectangle(Brushes.Green, x1 * this.coef, 0, 1, -y1 * this.coef);
integralsum -= 1 * (-y1);
number++;
}
}
catch (OverflowException)
{
}
}
return(integralsum * ((high - low) / number));
}