NInverseFourierTransform[expr, , t] gives a numerical approximation to the inverse Fourier transform of expr evaluated at the numerical value t, where expr is a function of .
To use NInverseFourierTransform, you first need to load the Fourier Series Package using Needs["FourierSeries`"].
The numerical approximation to the inverse Fourier transform of expr is by default defined to be .
Different choices for the definition of the inverse Fourier transform can be specified using the option FourierParameters.
With the setting FourierParameters->{a, b}, the inverse Fourier transform computed by NInverseFourierTransform is .
The parameter b in the setting FourierParameters->{a, b} must be numeric.
In addition to the option FourierParameters, NInverseFourierTransform can also accept the options available to NIntegrate. These options are passed directly to NIntegrate.
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EXAMPLES
Basic Examples 
