private void button_start_Click(object sender, EventArgs e)
{
if (Convert.ToDouble(textBox_borderAccuracy.Text) < Convert.ToDouble(textBox_eps.Text))
{
System.Windows.MessageBox.Show("Лучше так не делать, точность выхода на границу меньше, чем контроль локальной погрешности!");
return;
}
CounterOfTests++;
dataGridView_MetodInfo.Rows.Clear();
dataGridView_TaskInfo.Rows.Clear();
Function Func = new Function();
Func.SetFunction(Convert.ToDouble(textBox_alfa.Text), Convert.ToDouble(textBox_sigma.Text));
FunkDelegate function = Func.FunctionValue;
TrueSolution trueSolution = new TrueSolution(Convert.ToDouble(textBox_alfa.Text),
Convert.ToDouble(textBox_sigma.Text),
Convert.ToDouble(textBox_u_0.Text));
Runge_Kutta_2 RK_2 = new Runge_Kutta_2();
RK_2.Init(Convert.ToDouble(textBox_x_0.Text), Convert.ToDouble(textBox_u_0.Text),
Convert.ToDouble(textBox_h.Text), Convert.ToDouble(textBox_eps.Text),
Convert.ToDouble(textBox_borderAccuracy.Text), Convert.ToInt32(textBox_max_iter.Text), function, checkBox_StepControl.Checked);
RK_2.Run();
cartesianChart1.Series.Add(new LineSeries
{
Title = "Численное решение #" + Convert.ToString(CounterOfTests),
Values = new ChartValues <ObservablePoint>(RK_2
.GetPoints()
.Select(_ => new ObservablePoint(_.X, _.V))),
PointGeometrySize = 5
});
List <MetodInfo> metodInfos = RK_2.GetMetodInfos();
metodInfos.ForEach(_ =>
dataGridView_MetodInfo.Rows.Add
(_.Iteration, _.H, _.X, _.V, _.UHalf, _.V - _.UHalf,
_.S, _.e, _.UCorr, _.V, trueSolution.FunctionValue(_.X), Math.Abs(trueSolution.FunctionValue(_.X) - _.V).ToString("F8"), _.CountMinusH, _.CountPlusH));
dataGridView_MetodInfo.AutoResizeColumns();
TaskInfo taskInfo = new TaskInfo(CounterOfTests,
Convert.ToDouble(textBox_alfa.Text), Convert.ToDouble(textBox_sigma.Text),
Convert.ToDouble(textBox_x_0.Text), Convert.ToDouble(textBox_u_0.Text),
Convert.ToDouble(textBox_h.Text), Convert.ToDouble(textBox_eps.Text),
Convert.ToInt32(textBox_max_iter.Text));
dataGridView_TaskInfo.Rows.Add(taskInfo.Number, taskInfo.Alfa, taskInfo.Sigma, taskInfo.X0, taskInfo.U0,
taskInfo.h0, taskInfo.e, taskInfo.Max_iteration);
listExperimentInfos.Add(new ExperimentInfo(taskInfo, metodInfos));
comboBox_TaskSelector.Items.Add("Тест №" + Convert.ToString(CounterOfTests));
richTextBox_log.AppendText(" Время вытекания жидкости в Тесте №" + Convert.ToString(CounterOfTests) +
": " + RK_2.GetResultTime() + " секунд.\n");
}
private void comboBox_TaskSelector_SelectedIndexChanged(object sender, EventArgs e)
{
dataGridView_MetodInfo.Rows.Clear();
dataGridView_TaskInfo.Rows.Clear();
int index = comboBox_TaskSelector.SelectedIndex;
TrueSolution trueSolution = new TrueSolution(listExperimentInfos[index].TaskInformation.Alfa,
listExperimentInfos[index].TaskInformation.Sigma,
listExperimentInfos[index].TaskInformation.U0);
dataGridView_TaskInfo.Rows.Add(listExperimentInfos[index].TaskInformation.Number, listExperimentInfos[index].TaskInformation.Alfa, listExperimentInfos[index].TaskInformation.Sigma, listExperimentInfos[index].TaskInformation.X0, listExperimentInfos[index].TaskInformation.U0,
listExperimentInfos[index].TaskInformation.h0, listExperimentInfos[index].TaskInformation.e, listExperimentInfos[index].TaskInformation.Max_iteration);
listExperimentInfos[index].MetodInformation.ForEach(_ =>
dataGridView_MetodInfo.Rows.Add
(_.Iteration, _.H, _.X, _.V, _.UHalf, _.V - _.UHalf,
_.S, _.e, _.UCorr, _.V, trueSolution.FunctionValue(_.X), Math.Abs(trueSolution.FunctionValue(_.X) - _.V).ToString("F8"), _.CountMinusH, _.CountPlusH));
}
private void button_trueSolution_Click(object sender, EventArgs e)
{
TrueSolution trueSolution = new TrueSolution(Convert.ToDouble(textBox_alfa.Text),
Convert.ToDouble(textBox_sigma.Text),
Convert.ToDouble(textBox_u_0.Text));
trueSolution.FindPoints();
cartesianChart1.Series.Add(new LineSeries
{
Title = "Истинное решение",
Values = new ChartValues <ObservablePoint>(trueSolution
.GetPoints()
.Select(_ => new ObservablePoint(_.X, _.V))),
PointGeometry = DefaultGeometries.Square,
Stroke = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(107, 185, 69)),
PointGeometrySize = 5
});
}