Erf() public static method

Error function of the specified value.
public static Erf ( double x ) : double
x double
return double
コード例 #1
0
 /// <summary>
 ///   Normal cumulative distribution function.
 /// </summary>
 ///
 /// <returns>
 ///   The area under the Gaussian p.d.f. integrated
 ///   from minus infinity to the given value.
 /// </returns>
 ///
 public static double Function(double value)
 {
     return(0.5 + 0.5 * Special.Erf(value / Constants.Sqrt2));
 }
コード例 #2
0
ファイル: Normal.cs プロジェクト: mamimhk/accord-framework
 /// <summary>
 ///   Normal cumulative distribution function.
 /// </summary>
 ///
 /// <returns>
 ///   The area under the Gaussian p.d.f. integrated
 ///   from minus infinity to the given value.
 /// </returns>
 ///
 public static double Log(double value)
 {
     return(0.5 * Special.Log1p(Special.Erf(value / Constants.Sqrt2)));
 }