SciEx.FFT (sci_ex v0.2.0)

Fast Fourier Transform and related algorithms.

Summary

Functions

Type-2 DCT. This is usually considered the "default" type-2 DCT. It is the inverse of the Type-3 DCT (after correcting for normalization).

Type-3 DCT. This is the inverse of the Type-2 DCT (after correcting for normalization).

Functions

dct1(array, opts \\ [])

Type-1 DCT

dct2(array, opts \\ [])

Type-2 DCT. This is usually considered the "default" type-2 DCT. It is the inverse of the Type-3 DCT (after correcting for normalization).

dct3(array, opts \\ [])

Type-3 DCT. This is the inverse of the Type-2 DCT (after correcting for normalization).

dct4(array, opts \\ [])

Type-4 DCT