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Add titles and clean-up plotting %!demos. * scripts/plot/area.m, scripts/plot/axis.m, scripts/plot/bar.m, scripts/plot/barh.m, scripts/plot/clabel.m, scripts/plot/colorbar.m, scripts/plot/comet.m, scripts/plot/comet3.m, scripts/plot/contour.m, scripts/plot/contour3.m, scripts/plot/contourf.m, scripts/plot/cylinder.m, scripts/plot/ellipsoid.m, scripts/plot/errorbar.m, scripts/plot/ezplot.m, scripts/plot/ezplot3.m, scripts/plot/ezpolar.m, scripts/plot/feather.m, scripts/plot/fplot.m, scripts/plot/hold.m, scripts/plot/isosurface.m, scripts/plot/legend.m, scripts/plot/loglog.m, scripts/plot/loglogerr.m, scripts/plot/mesh.m, scripts/plot/meshc.m, scripts/plot/meshz.m, scripts/plot/patch.m, scripts/plot/pcolor.m, scripts/plot/pie.m, scripts/plot/pie3.m, scripts/plot/plot.m, scripts/plot/plot3.m, scripts/plot/polar.m, scripts/plot/rectangle.m, scripts/plot/ribbon.m, scripts/plot/rose.m, scripts/plot/scatter.m, scripts/plot/scatter3.m, scripts/plot/semilogx.m, scripts/plot/semilogxerr.m, scripts/plot/semilogy.m, scripts/plot/semilogyerr.m, scripts/plot/sombrero.m, scripts/plot/stem3.m, scripts/plot/surf.m, scripts/plot/surfc.m, scripts/plot/surfl.m, scripts/plot/title.m, scripts/plot/waterfall.m: Add titles and clean-up plotting %!demos.
author Rik <rik@octave.org>
date Tue, 06 Aug 2013 14:34:20 -0700
parents eaab03308c0b
children bc924baa2c4e
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1 ## Copyright (C) 2007-2012 David Bateman
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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 3 of the License, or (at
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8 ## your option) 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, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} stem3 (@var{x}, @var{y}, @var{z})
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21 ## @deftypefnx {Function File} {} stem3 (@dots{}, @var{linespec})
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22 ## @deftypefnx {Function File} {} stem3 (@dots{}, "filled")
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23 ## @deftypefnx {Function File} {} stem3 (@dots{}, @var{prop}, @var{val}, @dots{})
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24 ## @deftypefnx {Function File} {} stem3 (@var{hax}, @dots{})
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25 ## @deftypefnx {Function File} {@var{h} =} stem3 (@dots{})
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26 ## Plot a 3-D stem graph.
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27 ##
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28 ## Stems are drawn from the height @var{z} to the location in the x-y plane
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29 ## determined by @var{x} and @var{y}. The default color is @code{"b"} (blue),
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30 ## the default line style is @code{"-"}, and the default marker is @code{"o"}.
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31 ##
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32 ## The line style can be altered by the @code{linespec} argument in the same
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33 ## manner as the @code{plot} command. If the "filled" argument is present
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34 ## the markers at the top of the stems will be filled in.
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35 ##
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36 ## Optional property/value pairs may be specified to control the appearance
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37 ## of the plot.
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38 ##
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39 ## If the first argument @var{hax} is an axes handle, then plot into this axis,
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40 ## rather than the current axes returned by @code{gca}.
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41 ##
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42 ## The optional return value @var{h} is a vector with the handles of the line
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43 ## and marker objects used to draw the stems as a "stem series" object.
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44 ##
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45 ## Example:
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46 ##
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47 ## @example
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48 ## @group
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49 ## theta = 0:0.2:6;
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50 ## stem3 (cos (theta), sin (theta), theta);
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51 ## @end group
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52 ## @end example
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53 ##
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54 ## @noindent
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55 ## plots 31 stems with heights from 0 to 6 lying on a circle.
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56 ##
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57 ## Implementation Note: Color definitions with RGB-triples are not valid.
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58 ## @seealso{stem, bar, hist, plot}
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59 ## @end deftypefn
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60
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61 function h = stem3 (varargin)
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62
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63 if (nargin < 1 || nargin > 4)
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64 print_usage ();
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65 endif
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66
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67 htmp = __stem__ (true, varargin{:});
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68
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69 if (nargout > 0)
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70 h = htmp;
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71 endif
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72
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73 endfunction
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74
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76 %!demo
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77 %! clf;
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78 %! theta = 0:0.2:6;
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79 %! stem3 (cos (theta), sin (theta), theta);
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80 %! title ('stem3() plot');
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81