org.hipparchus.analysis.function

Class Atan

java.lang.Object

org.hipparchus.analysis.function.Atan

All Implemented Interfaces:

ExtendedUnivariateDifferentiableFunction, UnivariateDifferentiableFunction, UnivariateFunction

public class Atan
extends Object
implements ExtendedUnivariateDifferentiableFunction

Arc-tangent function.

Constructor Summary

Constructors

Constructor and Description
Atan()

Method Summary

Modifier and Type	Method and Description
DerivativeStructure	value(DerivativeStructure t) Simple mathematical function.
double	value(double x) Compute the value of the function.
<T extends Derivative<T>> T	value(T x) Compute the value for the function.

Methods inherited from class java.lang.Object

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

Constructor Detail

Atan

public Atan()

Method Detail

value

public double value(double x)

Compute the value of the function.

Specified by:

value in interface UnivariateFunction

Parameters:

x - Point at which the function value should be computed.

Returns:

the value of the function.

value

public DerivativeStructure value(DerivativeStructure t)

Simple mathematical function.

UnivariateDifferentiableFunction classes compute both the value and the first derivative of the function.

Specified by:

value in interface UnivariateDifferentiableFunction

Parameters:

t - function input value

Returns:

function result

value

public <T extends Derivative<T>> T value(T x)

Compute the value for the function.

Specified by:

value in interface ExtendedUnivariateDifferentiableFunction

Type Parameters:

T - the type of the field elements

Parameters:

x - the point for which the function value should be computed

Returns:

the value