Erf
jhplot.math.num.special

Class Erf



  • public final class Erfextends Object
    Utility class that provides methods related to the error function.
    • Method Summary

      Methods 
      Modifier and TypeMethod and Description
      static doubleerf(double x)
      Returns the error function erf(x) (1).
      static doubleerfc(double x)
      Returns the complementary error function erfc(x) (1).
      static doubleinverseErf(double y)
      Returns the inverse error function erf-1(y).
    • Method Detail

      • inverseErf

        public static double inverseErf(double y)                         throws NumericException

        Returns the inverse error function erf-1(y).

        References:

        1. Eric W. Weisstein. "Erf." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/Erf.html

        Parameters:
        y - the evaluation point.
        Returns:
        the value x, such that erf(x) == y
        Throws:
        NumericException - if the value could not be computed.

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