progressive function


A functionMathworldPlanetmath fL2() is called progressive iff its Fourier transformDlmfMathworldPlanetmath is supported by positive frequencies only:


It is called regressive iff the time reversed function f(-t) is progressive, or equivalently, if

Title progressive function
Canonical name ProgressiveFunction
Date of creation 2013-03-22 14:28:20
Last modified on 2013-03-22 14:28:20
Owner swiftset (1337)
Last modified by swiftset (1337)
Numerical id 4
Author swiftset (1337)
Entry type Definition
Classification msc 42A99
Related topic FourierTransform
Defines regressive function