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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} {} __plt2mv__ (@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 __plt2mv__ (x, y, fmt) |
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27 |
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28 if (nargin < 2 || nargin > 3) |
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29 msg = sprintf ("__plt2mv__ (x, y)\n"); |
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30 msg = sprintf ("%s __plt2mv__ (x, y, fmt)", msg); |
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31 usage (msg); |
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32 elseif (nargin == 2 || fmt == "") |
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33 fmt = " "; ## Yes, this is intentionally not an empty string! |
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34 endif |
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35 |
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36 [x_nr, x_nc] = size (x); |
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37 [y_nr, y_nc] = size (y); |
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38 |
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39 if (y_nr == 1) |
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40 y = y'; |
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41 tmp = y_nr; |
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42 y_nr = y_nc; |
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43 y_nc = tmp; |
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44 endif |
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45 |
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46 if (x_nr == y_nr) |
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47 1; |
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48 elseif (x_nc == y_nr) |
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49 x = x'; |
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50 tmp = x_nr; |
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51 x_nr = x_nc; |
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52 x_nc = tmp; |
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53 else |
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54 error ("__plt2mv__: matrix dimensions must match"); |
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55 endif |
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56 |
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57 k = 1; |
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58 fmt_nr = rows (fmt); |
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59 if (x_nc > 0) |
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60 tmp = [x, y]; |
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61 cmd = sprintf ("gplot tmp(:,%d:%d:%d) %s", 1, x_nc, x_nc+1, |
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62 deblank (fmt (k, :))); |
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63 if (k < fmt_nr) |
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64 k++; |
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65 endif |
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66 for i = 2:x_nc |
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67 cmd = sprintf ("%s, tmp(:,%d:%d:%d) %s", cmd, i, x_nc-i+1, x_nc+1, |
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68 deblank (fmt (k, :))); |
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69 if (k < fmt_nr) |
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70 k++; |
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71 endif |
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72 endfor |
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73 eval (cmd); |
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74 else |
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75 error ("__plt2mv__: arguments must be a matrices"); |
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76 endif |
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77 |
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78 endfunction |
