private void ShowCharts()
{
int n = 50;
double a = -10,
b = 15,
h = (Math.Abs(a) + Math.Abs(b)) / n;
double[] X = new double[n]
, Y = new double[n];
X[0] = a;
Y[0] = MyAlgorithm.Func(a);
for (int i = 1; i < n; i++)
{
X[i] = X[i - 1] + h;
Y[i] = MyAlgorithm.Func(X[i]);
}
FuncSeriesCollection = new SeriesCollection
{
new LineSeries
{
Title = "Функція",
Values = new ChartValues <double>(Y),
PointGeometrySize = 5
}
};
YFormatter = (x) => Math.Round(x, 4).ToString();
Labels = new string[n];
for (int i = 0; i < n; i++)
{
Labels[i] = Math.Round(X[i], 3).ToString();
}
DataContext = this;
}
private void Button_Click(object sender, RoutedEventArgs e)
{
resTB.Text = "";
cIterTB.Text = "";
double a = 0, b = 8, eps = 0.0001;
if (!Double.TryParse(aTB.Text, out a) || !Double.TryParse(bTB.Text, out b) || !Double.TryParse(eTB.Text, out eps) || a >= b)
{
MessageBox.Show("Некоректні дані");
return;
}
result = MyAlgorithm.Newton(MyAlgorithm.Func, MyAlgorithm.dFunc, MyAlgorithm.ddFunc, a, b, eps, out iters);
if (Double.IsNaN(result))
{
MessageBox.Show("Результат не збігається");
itersMI.IsEnabled = false;
return;
}
resTB.Text = Math.Round(result, eTB.Text.Length - 2).ToString();
cIterTB.Text = iters.Length.ToString();
itersMI.IsEnabled = true;
}