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[project @ 1999-10-26 18:15:30 by jwe]
author jwe
date Tue, 26 Oct 1999 18:15:41 +0000
parents edf6e4852287
children f8dde1807dee
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1 ## Copyright (C) 1996, 1997 John W. Eaton
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 2, or (at your option)
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8 ## any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, write to the Free
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17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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18 ## 02111-1307, USA.
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19
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Mapping Function} {} besseli (@var{alpha}, @var{x})
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22 ## @deftypefnx {Mapping Function} {} besselj (@var{alpha}, @var{x})
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23 ## @deftypefnx {Mapping Function} {} besselk (@var{alpha}, @var{x})
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24 ## @deftypefnx {Mapping Function} {} bessely (@var{alpha}, @var{x})
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25 ## Compute Bessel functions of the following types:
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26 ##
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27 ## @table @code
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28 ## @item besselj
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29 ## Bessel functions of the first kind.
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30 ##
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31 ## @item bessely
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32 ## Bessel functions of the second kind.
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33 ##
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34 ## @item besseli
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35 ## Modified Bessel functions of the first kind.
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36 ##
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37 ## @item besselk
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38 ## Modified Bessel functions of the second kind.
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39 ## @end table
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40 ##
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41 ## The second argument, @var{x}, must be a real matrix, vector, or scalar.
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42 ##
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43 ## The first argument, @var{alpha}, must be greater than or equal to zero.
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44 ## If @var{alpha} is a range, it must have an increment equal to one.
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45 ##
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46 ## If @var{alpha} is a scalar, the result is the same size as @var{x}.
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47 ##
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48 ## If @var{alpha} is a range, @var{x} must be a vector or scalar, and the
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49 ## result is a matrix with @code{length(@var{x})} rows and
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50 ## @code{length(@var{alpha})} columns.
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51 ## @end deftypefn
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52
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53 function bessel ()
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54 error ("bessel: you must use besselj, bessely, besseli, or besselk");
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55 endfunction
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