private async void Button_Click(object sender, RoutedEventArgs e)
{
try
{
var eq = new Equestion(
Convert.ToDouble(alpha.Text),
Convert.ToDouble(beta.Text),
Convert.ToDouble(gamma.Text),
F.Text,
Convert.ToDouble(a.Text),
Convert.ToDouble(b.Text),
Convert.ToDouble(A.Text),
Convert.ToDouble(B.Text),
Convert.ToInt32(r.Text),
Convert.ToInt32(N.Text),
Convert.ToDouble(epsilon.Text));
closer.Visibility = Visibility.Visible;
var solution = await eq.SolveUnlinearAsyncFake(w => 2 *w *w + 3);
closer.Visibility = Visibility.Hidden;
var n = Convert.ToInt32(N.Text);
var h = (Convert.ToDouble(b.Text) - Convert.ToDouble(a.Text)) / n;
ExpressionEvaluator evaluator = new ExpressionEvaluator();
double[] realSol = null;
if (!string.IsNullOrEmpty(xReal.Text))
{
realSol = Enumerable.Range(0, Convert.ToInt32(N.Text) + 1).Select(w => w * h).Select(w => (double)evaluator.Evaluate(xReal.Text, new { t = w })).ToArray();
}
resultView.Items.Clear();
resultView.Items.Add(GenerateItem("t", "Численное решение", "Точное решение", "Норма"));
for (int i = 0; i < n + 1; i++)
{
resultView.Items.Add(GenerateItem((h * i).ToString(), solution[i].ToString(), realSol == null ? "(none)" : realSol[i].ToString(), realSol == null ? "(none)" : (Math.Abs(realSol[i] - solution[i])).ToString()));
}
}
catch (Exception ex)
{
MessageBox.Show("Проверьте корректность введенных данных\n" + ex.Message);
}
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
abortBtn.IsEnabled = true;
IsContinueSolving = true;
try
{
sw.Start();
eq = new Equestion(
Convert.ToDouble(alpha.Text),
Convert.ToDouble(beta.Text),
Convert.ToDouble(gamma.Text),
F.Text,
Convert.ToDouble(a.Text),
Convert.ToDouble(b.Text),
Convert.ToDouble(A.Text),
Convert.ToDouble(B.Text),
Convert.ToInt32(r.Text),
Convert.ToInt32(N.Text),
Convert.ToDouble(epsilon.Text));
closer.Visibility = Visibility.Visible;
solution = await eq.SolveUnlinearAsync();
n = Convert.ToInt32(N.Text);
h = (Convert.ToDouble(b.Text) - Convert.ToDouble(a.Text)) / n;
ExpressionEvaluator evaluator = new ExpressionEvaluator();
realSol = null;
if (!string.IsNullOrEmpty(xReal.Text))
{
realSol = Enumerable.Range(0, Convert.ToInt32(N.Text) + 1).Select(w => w * h).Select(w => (double)evaluator.Evaluate(xReal.Text, new { t = w })).ToArray();
}
// Ищем нужное N
if (!string.IsNullOrEmpty(epsilon2.Text))
{
currentN.Visibility = Visibility.Visible;
var firstInt = eq.N;
bool isContinue = true;
while (isContinue)
{
isContinue = false;
currentNValue.Text = eq.N.ToString();
var eps2 = Convert.ToDouble(epsilon2.Text);
eq.N = eq.N * 2;
eq.h = eq.h / 2;
var k = eq.N / firstInt;
var newSol = (await eq.SolveUnlinearAsync()).Where((w, i) => i % k == 0).ToArray();
if (!IsContinueSolving)
{
return;
}
var summ = 0.0;
for (int i = 0; i < solution.Length; i++)
{
summ += Math.Pow(newSol[i] - solution[i], 2.0);
}
summ = Math.Sqrt(summ);
if (summ > eps2)
{
isContinue = true;
}
solution = newSol;
}
eq.N = eq.N / 2;
closer.Visibility = Visibility.Hidden;
}
SomeWork();
}
catch (Exception ex)
{
MessageBox.Show("Проверьте корректность введенных данных\n" + ex.Message);
}
}
