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annotate scripts/plot/semilogyerr.m @ 10595:46c8ecc4d565

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Add demos to loglogerr.m, semilogxerr.m, & semilogyerr.m
author Ben Abbott <bpabbott@mac.com>
date Fri, 30 Apr 2010 19:08:55 -0400
parents 5389a52df87b
children a8ce6bdecce5
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1 ## Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006, 2007 Teemu Ikonen
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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} {} semilogyerr (@var{args})
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21 ## Produce two-dimensional plots on a semilogarithm axis with errorbars.
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22 ## Many different combinations of arguments are possible. The most used
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23 ## form is
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24 ##
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25 ## @example
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26 ## semilogyerr (@var{x}, @var{y}, @var{ey}, @var{fmt})
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27 ## @end example
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28 ##
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29 ## @noindent
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30 ## which produces a semi-logarithm plot of @var{y} versus @var{x}
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31 ## with errors in the @var{y}-scale defined by @var{ey} and the plot
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32 ## format defined by @var{fmt}. See errorbar for available formats and
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33 ## additional information.
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34 ## @seealso{errorbar, loglogerr semilogxerr}
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35 ## @end deftypefn
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36
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37 ## Created: 20.2.2001
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38 ## Author: Teemu Ikonen <tpikonen@pcu.helsinki.fi>
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39 ## Keywords: errorbar, plotting
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40
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41 function retval = semilogyerr (varargin)
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42
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43 [h, varargin] = __plt_get_axis_arg__ ("semilogyerr", varargin{:});
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44
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45 oldh = gca ();
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46 unwind_protect
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47 axes (h);
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48 newplot ();
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49
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50 set (h, "yscale", "log");
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51
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52 tmp = __errcomm__ ("semilogyerr", h, varargin{:});
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53
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54 if (nargout > 0)
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55 retval = tmp;
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56 endif
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57 unwind_protect_cleanup
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58 axes (oldh);
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59 end_unwind_protect
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60
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61 endfunction
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63 %!demo
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64 %! x = 0.25:0.25:10;
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65 %! y = wblpdf (x, 4, 2);
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66 %! eyu = rand (size (y));
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67 %! eyl = 1.0 - 1./(1+eyu);
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68 %! semilogyerr (x, y, eyl.*y, eyu.*y, "~-d")
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69 %! xlim ([0 10])
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