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1 ## Copyright (C) 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2004, 2005, |
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2 ## 2006, 2007 John W. Eaton |
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3 ## |
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4 ## This file is part of Octave. |
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5 ## |
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6 ## Octave is free software; you can redistribute it and/or modify it |
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7 ## under the terms of the GNU General Public License as published by |
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8 ## the Free Software Foundation; either version 3 of the License, or (at |
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9 ## your option) any later version. |
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10 ## |
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11 ## Octave is distributed in the hope that it will be useful, but |
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 ## General Public License for more details. |
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15 ## |
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16 ## You should have received a copy of the GNU General Public License |
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17 ## along with Octave; see the file COPYING. If not, see |
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18 ## <http://www.gnu.org/licenses/>. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} polar (@var{theta}, @var{rho}, @var{fmt}) |
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22 ## Make a two-dimensional plot given the polar coordinates @var{theta} and |
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23 ## @var{rho}. |
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24 ## |
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25 ## The optional third argument specifies the line type. |
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26 ## @seealso{plot} |
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27 ## @end deftypefn |
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28 |
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29 ## Author: jwe |
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30 |
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31 function retval = polar (varargin) |
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32 |
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33 newplot (); |
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34 |
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35 ## [h, varargin] = __plt_get_axis_arg__ ("semilogx", varargin{:}); |
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36 h = gca (); |
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37 |
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38 nargs = numel (varargin); |
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39 |
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40 if (nargs == 3) |
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41 if (! ischar (varargin{3})) |
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42 error ("polar: third argument must be a string"); |
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43 endif |
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44 tmp = __plr2__ (h, varargin{:}); |
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45 elseif (nargin == 2) |
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46 if (ischar (varargin{2})) |
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47 tmp = __plr1__ (h, varargin{:}); |
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48 else |
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49 fmt = ""; |
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50 tmp = __plr2__ (h, varargin{:}, fmt); |
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51 endif |
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52 elseif (nargin == 1) |
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53 fmt = ""; |
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54 tmp = __plr1__ (h, varargin{:}, fmt); |
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55 else |
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56 print_usage (); |
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57 endif |
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58 |
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59 if (nargout > 0) |
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60 retval = tmp; |
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61 endif |
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62 |
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63 endfunction |
