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## Copyright (C) 1995, 1996, 1997, 2005, 2007 Kurt Hornik
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## This file is part of Octave.
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## Octave is free software; you can redistribute it and/or modify it
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## under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 3 of the License, or (at
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## your option) any later version.
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## Octave is distributed in the hope that it will be useful, but
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## WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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## General Public License for more details.
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## You should have received a copy of the GNU General Public License
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## along with Octave; see the file COPYING. If not, see
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## <http://www.gnu.org/licenses/>.
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## @deftypefn {Function File} {} poisson_cdf (@var{x}, @var{lambda})
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## For each element of @var{x}, compute the cumulative distribution
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## function (CDF) at @var{x} of the Poisson distribution with parameter
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## Author: KH <Kurt.Hornik@wu-wien.ac.at>
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## Description: CDF of the Poisson distribution
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function cdf = poisson_cdf (varargin)
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cdf = poisscdf (varargin{:});