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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] =} __plt1__ (@var{x1}, @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] = __plt1__ (x1, fmt) |
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27 |
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28 if (nargin < 1 || nargin > 2 || nargout != 2) |
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29 print_usage (); |
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30 endif |
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31 |
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32 if (nargin == 1) |
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33 fmt = ""; |
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34 endif |
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35 |
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36 if (! ischar (fmt)) |
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37 error ("__plt1__: fmt must be a string"); |
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38 endif |
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39 |
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40 [nr, nc] = size (x1); |
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41 if (nr == 1) |
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42 x1 = x1.'; |
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43 tmp = nr; |
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44 nr = nc; |
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45 nc = tmp; |
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46 endif |
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47 x1_i = imag (x1); |
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48 if (any (any (x1_i))) |
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49 x2 = x1_i; |
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50 x1 = real (x1); |
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51 else |
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52 x2 = x1; |
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53 x1 = (1:nr)'; |
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54 endif |
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55 |
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56 [data, fmtstr] = __plt2__ (x1, x2, fmt); |
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57 |
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58 endfunction |
