Computes the Discrete Cosine Transform (DCT) of an input sequence.
Computes the Discrete Sine Transform (DST) of an input sequence.
Computes the fast Hilbert transform of the input sequence x.
Computes the fast Fourier transform (FFT) of an input sequence.
Computes the inverse Discrete Cosine Transform (DCT) of an input sequence.
Computes the inverse Discrete Sine Transform (DST) of an input sequence.
Computes the inverse fast Hilbert transform of the input sequence x using Fourier identities.
Computes the inverse discrete Fourier transform (IDFT) of an input sequence.
Computes the inverse discrete Fourier transform (IDFT) of an input sequence.
Computes the real Walsh Hadamard transform of an input sequence.
Computes the inverse of the real Walsh Hadamard transform of an input sequence.