public void PlotFunc(FuncString fs, int decimallength = 6, int points = 100, params double[] xstart)
{
// if (decimallength==0) {
// decimallength=6;
// }
// if (points==0) {
// points=100;
// }
double xa = xstart[0];
double xb = xstart[1];
double x = xa;
MyChart mc = new MyChart();
mc.SetChartArea();
for (int i = 0; i < points; i++)
{
// fc.DealFuncstring( ((decimal)x).ToString());
// fc.DealFuncstring(x.ToString(("f"+decimallength.ToString())));
double result = uc.GetFuncResult(fs, x.ToString(("f" + decimallength.ToString())));
mc.CreateSeriesData(x, result);
x = x + 1.0 * (xb - xa) / points;
// Console.WriteLine(i+" X={0}\tY={1}",x.ToString(),fc.GetResult());
}
// mc.CreateSeriesDatas(new double[]{1,2,3,4,5,6,7,8},new double[]{1,-1,1,-1,1,-1,1,-1});
mc.SetSeries();
FuncFigure ff = new FuncFigure();
ff.AddChart(mc.GetChart());
ff.ShowDialog();
}
public void PlotFuncParallel(FuncString fs, int decimallength = 6, int points = 100, params double[] xstart)
{
// if (decimallength==0) {
// decimallength=6;
// }
// if (points==0) {
// points=100;
// }
double xa = xstart[0];
double xb = xstart[1];
double x = xa;
MyChart mc = new MyChart();
mc.SetChartArea();
int times = 0;
Parallel.For(times, points,
(i) => {
// fc.DealFuncstring( ((decimal)x).ToString());
// fc.DealFuncstring(x.ToString(("f"+decimallength.ToString())));
//在调用之前就已经把参数代进去了 fs是经过替换得到的
double result = uc.GetFuncResult(fs, x.ToString(("f" + decimallength.ToString())));
mc.CreateSeriesData(x, result);
x = x + 1.0 * (xb - xa) / points;
});
// mc.CreateSeriesDatas(new double[]{1,2,3,4,5,6,7,8},new double[]{1,-1,1,-1,1,-1,1,-1});
mc.SetSeries();
FuncFigure ff = new FuncFigure();
ff.AddChart(mc.GetChart());
ff.ShowDialog();
}