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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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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {[data, fmtstr] =} __plt2vm__ (@var{x}, @var{y}, @var{fmt}) |
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22 ## @end deftypefn |
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23 |
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24 ## Author: jwe |
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25 |
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26 function [data, fmtstr] = __plt2vm__ (x, y, fmt) |
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27 |
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28 if (nargin < 2 || nargin > 3 || nargout != 2) |
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29 print_usage (); |
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30 elseif (nargin == 2 || isempty (fmt)) |
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31 fmt = " "; ## Yes, this is intentionally not an empty string! |
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32 endif |
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33 |
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34 [x_nr, x_nc] = size (x); |
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35 [y_nr, y_nc] = size (y); |
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36 |
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37 if (x_nr == 1) |
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38 x = x'; |
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39 tmp = x_nr; |
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40 x_nr = x_nc; |
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41 x_nc = tmp; |
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42 endif |
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43 |
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44 if (x_nr == y_nr) |
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45 1; |
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46 elseif (x_nr == y_nc) |
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47 y = y'; |
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48 tmp = y_nr; |
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49 y_nr = y_nc; |
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50 y_nc = tmp; |
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51 else |
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52 error ("__plt2vm__: matrix dimensions must match"); |
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53 endif |
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54 |
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55 if (y_nc > 0) |
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56 if (rows (fmt) == 1) |
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57 fmt = repmat (fmt, y_nc, 1); |
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58 endif |
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59 tmp = [x, y]; |
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60 dtmp = cell (y_nc, 1); |
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61 ftmp = cell (y_nc, 1); |
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62 for i = 1:y_nc |
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63 dtmp{i} = tmp(:,[1,i+1]); |
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64 ftmp{i} = deblank (fmt(i,:)); |
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65 endfor |
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66 data = dtmp; |
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67 fmtstr = ftmp; |
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68 else |
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69 error ("__plt2vm__: arguments must be a matrices"); |
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70 endif |
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71 |
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72 endfunction |
