annotate scripts/statistics/distributions/unidinv.m @ 7017:a1dbe9d80eee

[project @ 2007-10-12 21:27:11 by jwe]
author jwe
date Fri, 12 Oct 2007 21:27:37 +0000
parents 93c65f2a5668
children fd0a3ac60b0e
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1 ## Copyright (C) 2007 David Bateman
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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 3 of the License, or (at
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8 ## your option) 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, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} unidinv (@var{x}, @var{v})
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21 ## For each component of @var{x}, compute the quantile (the inverse of
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22 ## the CDF) at @var{x} of the univariate discrete distribution which assumes the
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23 ## values in @var{v} with equal probability
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24 ## @end deftypefn
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25
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26 function inv = unidinv (x, v)
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27
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28 if (nargin != 2)
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29 print_usage ();
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30 endif
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31
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32 if (isscalar(v))
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33 v = [1:v].';
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34 else
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35 v = v(:);
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36 endif
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37
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38 inv = discrete_inv (x, v, ones(size(v)));
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39 endfunction