besselzero, an Octave code which computes zeros of Bessel j and y functions, by Greg van Winckel and Jason Nicholson.
The computer code and data files described and made available on this web page are distributed under the besselzero license.
besselzero is available in a MATLAB version and an Octave version.
Greg van Winckel, Jason Nicholson.
besselj, an Octave code which evaluates Bessel J functions of noninteger order.