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_inv (@var{x}, @var{lambda})
21## For each element of @var{x}, compute the quantile (the inverse of the
22## CDF) at @var{x} of the exponential distribution with parameter
26## Author: KH <Kurt.Hornik@wu-wien.ac.at>
27## Description: Quantile function of the exponential distribution
29## Deprecated in version 3.0
31function inv = exponential_inv (varargin)
33 persistent warned = false;
36 warning ("Octave:deprecated-function",
37 "exponential_inv is obsolete and will be removed from a future version of Octave; please use expinv instead");
41 varargin{2} = 1 ./ varargin{2};
44 inv = expinv (varargin{:});
