public static string StartCount(double xn, double xk, int n, int m, MathFunctionHandler mathFunction)
{
double h = (xk - xn) / m;
double fx = 0;
if (mathFunction == null)
{
return("Error: math function isn't choosen!");
}
StringBuilder result_str = new StringBuilder();
for (int i = 1; xn < xk && i < m + 1; i++, xn += h)
{
fx = Round(mathFunction(xn), 4);
result_str.Append
(
$"{i.ToString()}. f(x) = {fx}, S(x) = {GetSXFunctionResult(fx, n)} " +
$"Y(x) = {GetYXFunctionResult(fx)}\n"
);
}
return(result_str.ToString());
}
public static async Task <string> StartCountAsync(double xn, double xk, int n, int m, MathFunctionHandler mathFunction)
{
return(await Task.Run(() => StartCount(xn, xk, n, m, mathFunction)));
}
