.Modelica.Math.Special.sinc

Information

Syntax

Special.sinc(u);

Description

This function computes the unnormalized sinc function sinc(u) = sin(u)/u. The implementation utilizes a Taylor series approximation for small values of u. Plot of the function:

For more details, see Wikipedia.

Example

sinc(0)   // = 1
sinc(3)   // = 0.0470400026866224

Interface

function sinc
  extends Modelica.Icons.Function;
  input Real u "Input argument";
  output Real y "= sinc(u) = sin(u)/u";
end sinc;

Revisions

Date	Description
June 22, 2015	Initial version implemented by A. Klöckner, F. v.d. Linden, D. Zimmer, M. Otter. DLR Institute of System Dynamics and Control