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annotate scripts/deprecated/t_inv.m @ 7962:0665d457fabb

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Added tag ss-3-1-51 for changeset a5d1e27ee1f4
author John W. Eaton <jwe@octave.org>
date Tue, 22 Jul 2008 11:41:09 -0400
parents 1cdb42b372e8
children eb63fbe60fab
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1 ## Copyright (C) 1995, 1996, 1997, 2005, 2007 Kurt Hornik
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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} {} t_inv (@var{x}, @var{n})
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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 t (Student) distribution with parameter
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23 ## @var{n}.
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24 ## @end deftypefn
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25
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26 ## For very large n, the "correct" formula does not really work well,
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27 ## and the quantiles of the standard normal distribution are used
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28 ## directly.
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29
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30 ## Author: KH <Kurt.Hornik@wu-wien.ac.at>
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31 ## Description: Quantile function of the t distribution
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32
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33 ## Deprecated in version 3.0
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34
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35 function inv = t_inv (varargin)
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36
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37 persistent warned = false;
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38 if (! warned)
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39 warned = true;
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40 warning ("Octave:deprecated-function",
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41 "t_inv is obsolete and will be removed from a future version of Octave; please use tinv instead");
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42 endif
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43
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44 inv = tinv (varargin{:});
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45
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46 endfunction