fftinv(A)

The fftinv command computes the multidimensional inverse fast Fourier transform of a given vector, matrix, or tensor. The length of A in every dimension is extended to a power of two.

Examples

A = [1,2,3,4];
fftinv(A);
	[(5.+0.*I), (-1.+1.*I), (-1.+0.*I), (-1.-1.*I)]