Package org.opentrafficsim.animation.egtf

Class Convolution

java.lang.Object

org.opentrafficsim.animation.egtf.Convolution

public final class Convolution
extends Object

Utility class for convolution using fast fourier transformation. This utility is specifically tailored to EGTF and not for general fast fourier purposes.

Copyright (c) 2013-2026 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.

Author:

Alexander Verbraeck, Peter Knoppers, Wouter Schakel

Method Summary

Modifier and Type	Method	Description
static double[][]	convolution(double[][] a, double[][] b)	Convolution of two matrices using fast fourier transform.

Methods inherited from class java.lang.Object

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

Method Details

convolution

public static double[][] convolution(double[][] a,
 double[][] b)

Convolution of two matrices using fast fourier transform.

Parameters:

a - the kernel matrix

b - the data matrix

Returns:

convolution of a over b, same size as b