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1 ## Copyright (C) 2007 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} {@var{h} =} stem3 (@var{x}, @var{y}, @var{z}, @var{linespec}) |
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21 ## Plot a three-dimensional stem graph and return the handles of the line |
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22 ## and marker objects used to draw the stems. The default color is @code{"r"} |
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23 ## (red). The default line style is @code{"-"} and the default marker is |
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24 ## @code{"o"}. |
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25 ## |
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26 ## For example, |
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27 ## @example |
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28 ## theta = 0:0.2:6; |
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29 ## stem3 (cos (theta), sin (theta), theta) |
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30 ## @end example |
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31 ## |
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32 ## @noindent |
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33 ## plots 31 stems with heights from 0 to 6 lying on a circle. Color |
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34 ## definitions with rgb-triples are not valid! |
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35 ## @seealso{bar, barh, stem, plot} |
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36 ## @end deftypefn |
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37 |
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38 function h = stem3 (varargin) |
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39 |
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40 if (nargin < 3 || nargin > 4) |
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41 print_usage (); |
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42 endif |
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43 |
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44 tmp = __stem__ (true, varargin{:}); |
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45 |
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46 if (nargout > 0) |
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47 h = tmp; |
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48 endif |
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49 |
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50 endfunction |
