InverseFourierSequenceTransform

InverseFourierSequenceTransform[expr, ω, n] gives the inverse discrete-time Fourier transform of expr.

• InverseFourierSequenceTransform[expr, {ω1, ω2, ...}, {n1, n2, ...}] gives the multidimensional inverse Fourier sequence transform.

Examples

InverseFourierSequenceTransform[1/(1 - a Exp[-I ω]), ω, n]

InverseFourierSequenceTransform[Sin[ω], ω, n]

Please visit the official Wolfram Language Reference for more details.