fr.cnes.sirius.patrius.math.analysis.function

Class Sinc

java.lang.Object

fr.cnes.sirius.patrius.math.analysis.function.Sinc

All Implemented Interfaces:

UnivariateDifferentiableFunction, UnivariateFunction, Serializable

public class Sinc
extends Object
implements UnivariateDifferentiableFunction

Sinc function, defined by

 
   sinc(x) = 1            if x = 0,
             sin(x) / x   otherwise.
 
 

Since:

3.0

Version:

$Id: Sinc.java 18108 2017-10-04 06:45:27Z bignon $

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Sinc() The sinc function, sin(x) / x.
Sinc(boolean normalizedIn) Instantiates the sinc function.

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.

Methods inherited from class java.lang.Object

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

Constructor Detail

Sinc

public Sinc()

The sinc function, sin(x) / x.

Sinc

public Sinc(boolean normalizedIn)

Instantiates the sinc function.

Parameters:

normalizedIn - If true, the function is sin(πx) / πx, otherwise sin(x) / x.

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

Since:

3.1