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ifft

Inverse discrete Fourier transform of a vector (includes the 1/n scale).

Syntax

ifft(a: NDArray) → r

Backends

TypeScriptnumwa

Description

Inverse discrete Fourier transform of a vector (includes the 1/n scale).

Parameters

NameDescription
aInput vector of DFT coefficients (real or complex)

Returns

Complex128 NDArray with ifft(fft(x)) == x

Examples

Try It
>> ifft(fft([1.0, 2.0, 3.0]))
[1, 2, 3] (as complex)