From: Alexandre Torres Porres <porres@gmail.com>Subject: Re: [PD] from poles/zeros to biquad coefficients - how to? (something like max's z-plane)Date: September 24, 2013 12:36:27 AM CDTTo: Funs Seelen <funsseelen@gmail.com>Cc: pd-lista puredata <pd-list@iem.at>for what i see, it's not some sort of straight formula, right? seems a bit more complicated than that.cheers