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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, 59 Temple Place - Suite 330, Boston, MA |
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18 ## 02111-1307, USA. |
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19 |
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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 workw with 2-D arrays. To flip N-d arrays |
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34 ## use @code{flipdim} instead. |
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35 ## @end deftypefn |
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36 ## |
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37 ## @seealso{flipud, flipdim, rot90 and rotdim} |
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38 |
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39 ## Author: jwe |
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40 |
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41 function y = fliplr (x) |
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42 |
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43 if (nargin != 1) |
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44 usage ("fliplr (x)"); |
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45 endif |
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46 |
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47 if (ndims (x) > 2) |
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48 error ("fliplr: Only works with 2-D arrays") |
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49 endif |
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50 |
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51 nc = columns (x); |
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52 y = x (:, nc:-1:1); |
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53 |
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54 endfunction |
