Class RealMath

java.lang.Object

org.episteme.core.mathematics.numbers.real.RealMath

public class RealMath
extends Object

Advanced mathematical functions for Real numbers.

Provides special functions like error function (erf) and gamma function

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Method Summary

Modifier and Type	Method	Description
static Real	erf(Real x)	Error function approximation (Abramowitz and Stegun).
static Real	factorial(int n)	Factorial of integer n.
static Real	gamma(Real x)	Gamma function approximation (Lanczos).
static Real	lgamma(Real x)	Log-gamma function.
static Real	standardNormalQuantile(Real p)	Inverse standard normal CDF (quantile function).

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

erf

public static Real erf(Real x)

Error function approximation (Abramowitz and Stegun).

Parameters:

x - the input value

Returns:

erf(x)

standardNormalQuantile

public static Real standardNormalQuantile(Real p)

Inverse standard normal CDF (quantile function).

gamma

public static Real gamma(Real x)

Gamma function approximation (Lanczos).

lgamma

public static Real lgamma(Real x)

Log-gamma function.

factorial

public static Real factorial(int n)

Factorial of integer n.