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- ## Copyright (C) 1996, 1997 John W. Eaton
- ##
- ## This file is part of Octave.
- ##
- ## Octave is free software; you can redistribute it and/or modify it
- ## under the terms of the GNU General Public License as published by
- ## the Free Software Foundation; either version 2, or (at your option)
- ## any later version.
- ##
- ## Octave is distributed in the hope that it will be useful, but
- ## WITHOUT ANY WARRANTY; without even the implied warranty of
- ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- ## General Public License for more details.
- ##
- ## You should have received a copy of the GNU General Public License
- ## along with Octave; see the file COPYING. If not, write to the Free
- ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- ## 02111-1307, USA.
-
- ## -*- texinfo -*-
- ## @deftypefn {Mapping Function} {} besseli (@var{alpha}, @var{x})
- ## @deftypefnx {Mapping Function} {} besselj (@var{alpha}, @var{x})
- ## @deftypefnx {Mapping Function} {} besselk (@var{alpha}, @var{x})
- ## @deftypefnx {Mapping Function} {} bessely (@var{alpha}, @var{x})
- ## Compute Bessel functions of the following types:
- ##
- ## @table @code
- ## @item besselj
- ## Bessel functions of the first kind.
- ##
- ## @item bessely
- ## Bessel functions of the second kind.
- ##
- ## @item besseli
- ## Modified Bessel functions of the first kind.
- ##
- ## @item besselk
- ## Modified Bessel functions of the second kind.
- ## @end table
- ##
- ## The second argument, @var{x}, must be a real matrix, vector, or scalar.
- ##
- ## The first argument, @var{alpha}, must be greater than or equal to zero.
- ## If @var{alpha} is a range, it must have an increment equal to one.
- ##
- ## If @var{alpha} is a scalar, the result is the same size as @var{x}.
- ##
- ## If @var{alpha} is a range, @var{x} must be a vector or scalar, and the
- ## result is a matrix with @code{length(@var{x})} rows and
- ## @code{length(@var{alpha})} columns.
- ## @end deftypefn
-
- function bessel ()
- error ("bessel: you must use besselj, bessely, besseli, or besselk");
- endfunction
-
-