Package org.hipparchus.analysis.function

Class Sinc

java.lang.Object
org.hipparchus.analysis.function.Sinc
All Implemented Interfaces:
UnivariateDifferentiableFunction, UnivariateFunction
public class Sinc extends Object implements UnivariateDifferentiableFunction
Sinc function, defined by 

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

  • Constructor Summary

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

  • Method Summary

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

    • Sinc

      public Sinc()
      The sinc function, sin(x) / x.

    • Sinc

      public Sinc(boolean normalized)
      Instantiates the sinc function.
      Parameters:
      normalized - If true, the function is sin(πx) / πx, otherwise sin(x) / x.

  • Method Details

    • 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 <T extends Derivative<T>> T value(T t) throws MathIllegalArgumentException
      Compute the value for the function.
      Specified by:
      value in interface UnivariateDifferentiableFunction
      Type Parameters:
      T - the type of the field elements
      Parameters:
      t - the point for which the function value should be computed
      Returns:
      the value
      Throws:
      MathIllegalArgumentException - if x does not satisfy the function's constraints (argument out of bound, or unsupported derivative order for example)