org.mariuszgromada.math.mxparser.mathcollection

Class SpecialFunctions

java.lang.Object

org.mariuszgromada.math.mxparser.mathcollection.SpecialFunctions

public final class SpecialFunctions
extends Object

SpecialFunctions - special (non-elementary functions).

Version:

3.0.0

Author:

Mariusz Gromada
mariuszgromada.org@gmail.com
MathSpace.pl
MathParser.org - mXparser project page
mXparser on GitHub
mXparser on SourceForge
mXparser on Bitbucket
mXparser on CodePlex
Janet Sudoku - project web page
Janet Sudoku on GitHub
Janet Sudoku on CodePlex
Janet Sudoku on SourceForge
Janet Sudoku on BitBucket

Constructor Summary

Constructors

Constructor and Description
SpecialFunctions()

Method Summary

Methods

Modifier and Type	Method and Description
static double	erf(double x) Calculates the error function
static double	erfc(double x) Calculates the complementary error function.
static double	erfcInv(double z) Calculates the complementary inverse error function evaluated at x.
static double	erfInv(double x) Calculates the inverse error function evaluated at x.
static double	exponentialIntegralEi(double x) Exponential integral function Ei(x)
static double	logarithmicIntegralLi(double x) Logarithmic integral function li(x)
static double	offsetLogarithmicIntegralLi(double x) Offset logarithmic integral function Li(x)

Methods inherited from class java.lang.Object

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

Constructor Detail

SpecialFunctions

public SpecialFunctions()

Method Detail

exponentialIntegralEi

public static double exponentialIntegralEi(double x)

Exponential integral function Ei(x)

Parameters:

x - Point at which function will be evaluated.

Returns:

Exponential integral function Ei(x)

logarithmicIntegralLi

public static final double logarithmicIntegralLi(double x)

Logarithmic integral function li(x)

Parameters:

x - Point at which function will be evaluated.

Returns:

Logarithmic integral function li(x)

offsetLogarithmicIntegralLi

public static final double offsetLogarithmicIntegralLi(double x)

Offset logarithmic integral function Li(x)

Parameters:

x - Point at which function will be evaluated.

Returns:

Offset logarithmic integral function Li(x)

erf

public static final double erf(double x)

Calculates the error function

Parameters:

x - Point at which function will be evaluated.

Returns:

Error function erf(x)

erfc

public static final double erfc(double x)

Calculates the complementary error function.

Parameters:

x - Point at which function will be evaluated.

Returns:

Complementary error function erfc(x)

erfInv

public static final double erfInv(double x)

Calculates the inverse error function evaluated at x.

Parameters:

x - Point at which function will be evaluated.

Returns:

Inverse error function erfInv(x)

erfcInv

public static final double erfcInv(double z)

Calculates the complementary inverse error function evaluated at x.

Parameters:

z - Point at which function will be evaluated.

Returns:

Inverse of complementary inverse error function erfcInv(x)