annotate scripts/general/fliplr.m @ 5642:2618a0750ae6

[project @ 2006-03-06 21:26:48 by jwe]
author jwe
date Mon, 06 Mar 2006 21:26:54 +0000
parents ebe5d7d15522
children 34f96dd5441b
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1 ## Copyright (C) 1996, 1997 John W. Eaton
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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 2, or (at your option)
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8 ## 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, write to the Free
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17 ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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18 ## 02110-1301, USA.
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {} fliplr (@var{x})
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22 ## Return a copy of @var{x} with the order of the columns reversed. For
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23 ## example,
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24 ##
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25 ## @example
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26 ## @group
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27 ## fliplr ([1, 2; 3, 4])
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28 ## @result{} 2 1
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29 ## 4 3
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30 ## @end group
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31 ## @end example
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32 ##
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33 ## Note that @code{fliplr} only work with 2-D arrays. To flip N-d arrays
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34 ## use @code{flipdim} instead.
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35 ## @seealso{flipud, flipdim, rot90, rotdim}
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36 ## @end deftypefn
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38 ## Author: jwe
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40 function y = fliplr (x)
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42 if (nargin != 1)
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43 usage ("fliplr (x)");
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44 endif
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46 if (ndims (x) > 2)
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47 error ("fliplr: Only works with 2-D arrays")
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48 endif
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49
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50 nc = columns (x);
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51 y = x (:, nc:-1:1);
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52
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53 endfunction