private void Button_Click_1(object sender, RoutedEventArgs e)
{
double left_bound = 0;
double right_bound = 0;
double interval = 0;
int num_of_points = 0;
double freePoint = 0;
try
{
left_bound = Double.Parse(left.Text);
right_bound = Double.Parse(right.Text);
interval = Double.Parse(intervalTextBox.Text);
num_of_points = int.Parse(numOfPoints.Text);
freePoint = Double.Parse(freePointTextBox.Text);
}
catch(Exception ex)
{
MessageBox.Show("Very bad result: " + ex.Message);
return;
}
Lab2Integral lab2 = new Lab2Integral(left_bound, right_bound, num_of_points, interval);
integralResult.Content = "This is result of integration: " + lab2.RightRectangle();
try
{
integralInitialResult.Content = "This is result of Newton formula: " + lab2.InitialSum();
}catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
diffLabelNM.Content = "This is result of differentiation: " + lab2.NumericDifferentiate(freePoint);
integralMistake.Content = "This is integration fault: "+Math.Abs(lab2.RightRectangle() - lab2.InitialSum());
diffMistake.Content = "This is differentiation fault: " + Math.Abs(lab2.NumericDifferentiate(freePoint) -
lab2.underIntegralFunction(freePoint));
}
