public Lab3Window()
{
BasisFunctions = new string[] { "Pow(x, k)", "Sin(k*x)" };
func = (x) => (Math.Exp(Math.Sin(x)));
basis = (x, k) => (Math.Pow(x, k));
//basis = (x, k) => (Math.Sin(x*k));
lst_x = new List <double>();
for (int i = 0; i < 60; i++)
{
lst_x.Add(0.1 * i);
}
k_basis = new List <int>();
for (int i = 0; i < 10; i++)
{
k_basis.Add(i);
}
InitializeComponent();
//combobox.itemssource = basisfunctions;
slider.Minimum = 0;
slider.Maximum = k_basis.ToArray()[k_basis.Count - 1];
slider.Value = 1;
model =
new ApproximationModel(
int.Parse(slider.Value.ToString()),
lst_x.ToArray(),
basis,
func);
}
private async void btnChangeTime_Click(object sender, RoutedEventArgs e)
{
try
{
int kolvo = int.Parse(txtTime.Text);
chart.Series[ChartSerieName].Points.Clear();
model = new ApproximationModel(kolvo, lst_x.ToArray(), basis, func);
chart.Series[ChartSerieName].Points.DataBindXY(lst_x, model.getValues());
chart.Series["Original"].Points.Clear();
chart.Series["Original"].Points.DataBindXY(lst_x, model.getOriginalValues());
slider.Value = kolvo;
}
catch
{
form.Visibility = Visibility.Hidden;
await this.ShowMessageAsync("Неверный формат", "Количество может быть только натуральным числом");
form.Visibility = Visibility.Visible;
}
}
private void slider_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
try
{
slider.Value = Math.Round(slider.Value);
chart.Series[ChartSerieName].Points.Clear();
model = new ApproximationModel(int.Parse(slider.Value.ToString()), lst_x.ToArray(), basis, func);
try
{
chart.Series[ChartSerieName].Points.DataBindXY(lst_x, model.getValues());
chart.Series["Original"].Points.DataBindXY(lst_x, model.getOriginalValues());
}
catch (Exception) { Debug.WriteLine(slider.Value); }
txtBlock.Text = slider.Value.ToString();
}
catch (Exception ex) {
Debug.WriteLine("SLIDER CHANGED EXCEPTION\n\n" + ex.ToString());
}
}
private void comboBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
if (comboBox.SelectedValue.ToString() == BasisFunctions[1])
{
basis = (x, k) => (Math.Sin(x * k));
}
else
{
basis = (x, k) => (Math.Pow(x, k));
}
chart.Series[ChartSerieName].Points.Clear();
model = new ApproximationModel(int.Parse(slider.Value.ToString()), lst_x.ToArray(), basis, func);
try
{
chart.Series[ChartSerieName].Points.DataBindXY(lst_x, model.getValues());
chart.Series["Original"].Points.DataBindXY(lst_x, model.getOriginalValues());
}
catch (Exception) {}
}
