private void button_trueSolution_Click(object sender, EventArgs e)
{
TrueSolution trueSolution = new TrueSolution(Convert.ToDouble(textBox_x_0.Text), Convert.ToDouble(textBox_u_0.Text));
trueSolution.FindPoints(Convert.ToDouble(textBox_borderRight.Text));
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
});
}
private void button_start_Click(object sender, EventArgs e)
{
CounterOfTests++;
if (comboBox_TaskSelect.SelectedIndex == 0 || comboBox_TaskSelect.SelectedIndex == 1)
{
Function Func;
if (comboBox_TaskSelect.SelectedIndex == 0)
{
Func = new TestFunction();
InitDataGrid_TestTask();
}
else
{
Func = new BasicFunction();
InitDataGrid_Task1();
}
Func <double, double, double> function = Func.FunctionValue;
Runge_Kutta_2 RK_2 = new Runge_Kutta_2(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_borderRight.Text),
Convert.ToDouble(textBox_borderAccuracy.Text), Convert.ToInt32(textBox_max_steps.Text), function,
checkBox_StepControlChecked.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();
List <FunctionValue> functionValues = RK_2.GetFunctionValues();
if (comboBox_TaskSelect.SelectedIndex == 0)
{
TrueSolution trueSolution = new TrueSolution(Convert.ToDouble(textBox_x_0.Text),
Convert.ToDouble(textBox_u_0.Text));
for (int index = 0; index < metodInfos.Count; index++)
{
var metodInfo = metodInfos[index];
var functionValue = functionValues[index];
dataGridView_MetodInfo.Rows.Add
(metodInfo.Iteration, metodInfo.X, functionValue.V, functionValue.VHalf,
functionValue.DeltaV,
metodInfo.e, metodInfo.H, metodInfo.CountMinusH, metodInfo.CountPlusH,
trueSolution.FunctionValue(metodInfo.X, functionValue.V),
Math.Abs(trueSolution.FunctionValue(metodInfo.X, functionValue.V) - functionValue.V)
.ToString("F8"));
}
dataGridView_MetodInfo.AutoResizeColumns();
Func <double, double, double> func = trueSolution.FunctionValue;
ExperimentInfo experimentInfo = new ExperimentInfo(metodInfos, functionValues, func);
InitDataGrid_TestTaskInfo();
dataGridView_TaskInfo.Rows.Add(experimentInfo.StepsCount,
Convert.ToDouble(textBox_borderRight.Text) - experimentInfo.LastX,
experimentInfo.MaxE, experimentInfo.HPlusCount, experimentInfo.HMinusCount,
experimentInfo.MaxH, experimentInfo.XMaxH, experimentInfo.MinH, experimentInfo.XMinH,
experimentInfo.MaxDeltaUV, experimentInfo.XMaxDeltaUV);
}
else
{
for (int index = 0; index < metodInfos.Count; index++)
{
var metodInfo = metodInfos[index];
var functionValue = functionValues[index];
dataGridView_MetodInfo.Rows.Add
(metodInfo.Iteration, metodInfo.X, functionValue.V, functionValue.VHalf,
functionValue.DeltaV,
metodInfo.e, metodInfo.H, metodInfo.CountMinusH, metodInfo.CountPlusH);
}
dataGridView_MetodInfo.AutoResizeColumns();
ExperimentInfo experimentInfo = new ExperimentInfo(metodInfos, functionValues);
InitDataGrid_TaskInfo();
dataGridView_TaskInfo.Rows.Add(experimentInfo.StepsCount,
Convert.ToDouble(textBox_borderRight.Text) - experimentInfo.LastX,
experimentInfo.MaxE, experimentInfo.HMinusCount, experimentInfo.HPlusCount,
experimentInfo.MaxH, experimentInfo.XMaxH, experimentInfo.MinH, experimentInfo.XMinH);
}
}
else
{
InitDataGrid_Task2();
FunctionF f = new FunctionF();
FunctionG g = new FunctionG(Convert.ToDouble(textBox_a.Text), Convert.ToDouble(textBox_b.Text));
Runge_Kutta_2_System RK_2_s = new Runge_Kutta_2_System(Convert.ToDouble(textBox_x_0.Text),
Convert.ToDouble(textBox_u_0.Text), Convert.ToDouble(textBox_y_0.Text),
Convert.ToDouble(textBox_h.Text), Convert.ToDouble(textBox_eps.Text),
Convert.ToDouble(textBox_borderRight.Text), Convert.ToDouble(textBox_borderAccuracy.Text),
Convert.ToInt32(textBox_max_steps.Text), checkBox_StepControlChecked.Checked, g.FunctionValue, f.FunctionValue);
RK_2_s.Run();
List <MetodInfo> metodInfos = RK_2_s.GetMetodInfos();
List <Point2D> functionValues = RK_2_s.GetPoints();
ExperimentInfoSystem experimentInfo = new ExperimentInfoSystem(metodInfos, functionValues);
cartesianChart1.Series.Add(new LineSeries
{
Title = "Численное решение #" + Convert.ToString(CounterOfTests),
Values = new ChartValues <ObservablePoint>(RK_2_s
.GetPoints()
.Select(_ => new ObservablePoint(_.X, _.V1))),
PointGeometrySize = 5
});
cartesianChart2.Series.Add(new LineSeries
{
Title = "Численное решение #" + Convert.ToString(CounterOfTests),
Values = new ChartValues <ObservablePoint>(RK_2_s
.GetPoints()
.Select(_ => new ObservablePoint(_.X, _.V2))),
PointGeometrySize = 5
});
cartesianChart3.Series.Add(new LineSeries
{
Title = "Численное решение #" + Convert.ToString(CounterOfTests),
Values = new ChartValues <ObservablePoint>(RK_2_s
.GetPoints()
.Select(_ => new ObservablePoint(_.V1, _.V2))),
PointGeometrySize = 5
});
for (int index = 0; index < metodInfos.Count; index++)
{
var metodInfo = metodInfos[index];
var functionValue = functionValues[index];
dataGridView_MetodInfo.Rows.Add
(metodInfo.Iteration, metodInfo.X, functionValue.V1, functionValue.V2,
metodInfo.e, metodInfo.H, metodInfo.CountMinusH, metodInfo.CountPlusH);
}
dataGridView_MetodInfo.AutoResizeColumns();
InitDataGrid_TaskInfo();
dataGridView_TaskInfo.Rows.Add(experimentInfo.StepsCount,
Convert.ToDouble(textBox_borderRight.Text) - experimentInfo.LastX,
experimentInfo.MaxE, experimentInfo.HMinusCount, experimentInfo.HPlusCount,
experimentInfo.MaxH, experimentInfo.XMaxH, experimentInfo.MinH, experimentInfo.XMinH);
}
}
