Hi all, I would like to annouce the availability of Haskell libraries for digital signal processing, spectral estiation, and frequency estimation. This project is a reincarnation of a project started several years ago, but went dormant for a while. The URL is http://users.snip.net/~donadio/haskell/ The home pages lists everything that is available. Of particular interest is: -- Module for LU decomposition of matrices (LU solver, matrix inversion, etc) -- Cholesky solver -- FFT module that is not limited to N=2^v. It includes Radix-2 decimation in time FFT for N=2^v Radix-2 decimation in frequency FFT for N=2^v Cooley-Tukey FFT for composite N Prime factor algorithm for composite N Rader's algorithm using direct convolution for prime N Rader's algorithm using FFT convolution fpr prime N Hard-coded FFT for a few small values of N Inverse FFT defined in terms of the FFT 2N-point real FFT computed with N-point FFT More algorithms will be appearing over time, as well as some demo applications. -- Matthew Donadio (m.p.donadio@ieee.org)