1## Copyright (C) 1995, 1996, 1997, 2005, 2007, 2008 Kurt Hornik
3## This file is part of Octave.
5## Octave is free software; you can redistribute it and/or modify it
6## under the terms of the GNU General Public License as published by
7## the Free Software Foundation; either version 3 of the License, or (at
8## your option) any later version.
10## Octave is distributed in the hope that it will be useful, but
11## WITHOUT ANY WARRANTY; without even the implied warranty of
12## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13## General Public License for more details.
15## You should have received a copy of the GNU General Public License
16## along with Octave; see the file COPYING. If not, see
17## <http://www.gnu.org/licenses/>.
20## @deftypefn {Function File} {} exponential_cdf (@var{x}, @var{lambda})
21## For each element of @var{x}, compute the cumulative distribution
22## function (CDF) at @var{x} of the exponential distribution with
23## parameter @var{lambda}.
25## The arguments can be of common size or scalar.
28## Author: KH <Kurt.Hornik@wu-wien.ac.at>
29## Description: CDF of the exponential distribution
31## Deprecated in version 3.0
33function cdf = exponential_cdf (varargin)
35 persistent warned = false;
38 warning ("Octave:deprecated-function",
39 "exponential_cdf is obsolete and will be removed from a future version of Octave; please use expcdf instead");
43 varargin{2} = 1 ./ varargin{2};
46 cdf = expcdf (varargin{:});
