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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} {} polar (@var{theta}, @var{rho}, @var{fmt}) |
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22 ## Make a two-dimensional plot given polar the 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, semilogx, semilogy, loglog, mesh, contour, bar, |
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27 ## stairs, xlabel, ylabel, title} |
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28 ## @end deftypefn |
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29 |
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30 ## Author: jwe |
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31 |
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32 function retval = polar (varargin) |
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33 |
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34 newplot (); |
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35 |
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36 ## [h, varargin] = __plt_get_axis_arg__ ("semilogx", varargin{:}); |
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37 h = gca (); |
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38 |
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39 nargs = numel (varargin); |
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40 |
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41 if (nargs == 3) |
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42 if (! ischar (varargin{3})) |
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43 error ("polar: third argument must be a string"); |
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44 endif |
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45 tmp = __plr2__ (h, varargin{:}); |
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46 elseif (nargin == 2) |
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47 if (ischar (varargin{2})) |
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48 tmp = __plr1__ (h, varargin{:}); |
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49 else |
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50 fmt = ""; |
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51 tmp = __plr2__ (h, varargin{:}, fmt); |
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52 endif |
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53 elseif (nargin == 1) |
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54 fmt = ""; |
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55 tmp = __plr1__ (h, varargin{:}, fmt); |
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56 else |
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57 print_usage (); |
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58 endif |
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59 |
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60 if (nargout > 0) |
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61 retval = tmp; |
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62 endif |
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63 |
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64 endfunction |
