WOLFRAM SYSTEM MODELER
    sincUnnormalized sinc function: sinc(u) = sin(u)/u  | 
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SystemModel["Modelica.Math.Special.sinc"]

This information is part of the Modelica Standard Library maintained by the Modelica Association.
Special.sinc(u);
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.
sinc(0) // = 1 sinc(3) // = 0.0470400026866224
| u | 
         Type: Real Description: Input argument  | 
    
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| y | 
         Type: Real Description: = sinc(u) = sin(u)/u  | 
    
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| Date | Description | ||
|---|---|---|---|
| June 22, 2015 | 
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