public static void drawStepResponse(FunctionDelegate W, object chart, object table, int time)
{
var plot = chart as System.Windows.Forms.DataVisualization.Charting.Chart;
var dataView = table as System.Windows.Forms.DataGridView;
plot.ChartAreas[0].AxisY.Minimum = Double.NaN;
plot.ChartAreas[0].AxisY.Maximum = Double.NaN;
foreach (var series in plot.Series)
{
series.Points.Clear();
series.MarkerStyle = System.Windows.Forms.DataVisualization.Charting.MarkerStyle.None;
series.BorderWidth = 3;
}
plot.ChartAreas[0].AxisX.Title = "t, сек.";
plot.ChartAreas[0].AxisY.Title = "h(t)";
plot.ChartAreas[0].AxisX.Minimum = 0;
dataView.Rows.Clear();
int _time = (int)time;
for (double i = 0.00001; i < _time; i += 0.1)
{
double invCalc = Laplace.InverseTransform(W, i);
plot.Series[0].Points.AddXY(i, invCalc);
if (i.ToString("N2") == Math.Truncate(i).ToString("N2"))
{
dataView.Rows.Add(i.ToString("N2"), invCalc.ToString("N4"));
}
}
}
public static void drawStepResponse(FunctionDelegate W, object chart, object table)
{
var plot = chart as System.Windows.Forms.DataVisualization.Charting.Chart;
var dataView = table as System.Windows.Forms.DataGridView;
plot.ChartAreas[0].AxisY.Minimum = Double.NaN;
plot.ChartAreas[0].AxisY.Maximum = Double.NaN;
foreach (var series in plot.Series)
{
series.Points.Clear();
series.MarkerStyle = System.Windows.Forms.DataVisualization.Charting.MarkerStyle.None;
series.BorderWidth = 3;
}
plot.ChartAreas[0].AxisX.Title = "t, сек.";
plot.ChartAreas[0].AxisX.Minimum = 0;
plot.ChartAreas[0].AxisY.Title = "h(t)";
int steps = 0;
double time = 0.00001;
double invCalc = -1.0;
double prevInvCalc = 0;
dataView.Rows.Clear();
do
{
prevInvCalc = invCalc;
invCalc = Laplace.InverseTransform(W, time);
plot.Series[0].Points.AddXY(time - 0.1, invCalc);
if (time.ToString("N2") == Math.Truncate(time).ToString("N2"))
{
dataView.Rows.Add(time.ToString("N2"), invCalc.ToString("N4"));
}
if (Math.Abs(prevInvCalc - invCalc) <= 0.000001)
{
steps++;
}
else
{
time += 0.1;
}
} while (steps <= time * 1.15);
}
