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annotate scripts/plot/loglogerr.m @ 17211:87ba70043bfc

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Don't use ifelse in plot fcns to avoid unnecessary fcn evaluations. * scripts/plot/area.m, scripts/plot/axis.m, scripts/plot/caxis.m, scripts/plot/comet.m, scripts/plot/comet3.m, scripts/plot/compass.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/feather.m, scripts/plot/fill.m, scripts/plot/loglog.m, scripts/plot/loglogerr.m, scripts/plot/mesh.m, scripts/plot/meshc.m, scripts/plot/meshz.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/private/__bar__.m, scripts/plot/private/__ezplot__.m, scripts/plot/private/__stem__.m, scripts/plot/quiver.m, scripts/plot/quiver3.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/slice.m, scripts/plot/sphere.m, scripts/plot/stairs.m, scripts/plot/surf.m, scripts/plot/surfc.m, scripts/plot/surfl.m, scripts/plot/surfnorm.m, scripts/time/datetick.m: Don't use ifelse in plot fcns to avoid unnecessary fcn evaluations.
author Rik <rik@octave.org>
date Fri, 09 Aug 2013 19:26:55 -0700
parents df4c4b7708a4
children 68bcac3c043a
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 2000-2012 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} {} loglogerr (@var{args})
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21 ## @deftypefnx {Function File} {} loglogerr (@var{hax}, @dots{})
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22 ## @deftypefnx {Function File} {@var{h} =} loglogerr (@dots{})
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23 ## Produce 2-D plots on a double logarithm axis with errorbars.
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24 ##
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25 ## Many different combinations of arguments are possible. The most common
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26 ## form is
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27 ##
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28 ## @example
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29 ## loglogerr (@var{x}, @var{y}, @var{ey}, @var{fmt})
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30 ## @end example
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31 ##
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32 ## @noindent
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33 ## which produces a double logarithm plot of @var{y} versus @var{x}
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34 ## with errors in the @var{y}-scale defined by @var{ey} and the plot
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35 ## format defined by @var{fmt}. @xref{XREFerrorbar,,errorbar}, for available
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36 ## formats and additional information.
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37 ##
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38 ## If the first argument @var{hax} is an axes handle, then plot into this axis,
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39 ## rather than the current axes returned by @code{gca}.
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40 ## @seealso{errorbar, semilogxerr, semilogyerr}
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41 ## @end deftypefn
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42
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43 ## Created: 20.2.2001
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44 ## Author: Teemu Ikonen <tpikonen@pcu.helsinki.fi>
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45 ## Keywords: errorbar, plotting
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46
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47 function h = loglogerr (varargin)
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48
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49 [hax, varargin] = __plt_get_axis_arg__ ("loglogerr", varargin{:});
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51 oldfig = [];
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52 if (isempty (hax))
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53 oldfig = get (0, "currentfigure");
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54 endif
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55 unwind_protect
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56 hax = newplot (hax);
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57
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58 set (hax, "xscale", "log", "yscale", "log");
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59 if (! ishold (hax))
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60 set (hax, "xminortick", "on", "yminortick", "on");
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61 endif
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62 htmp = __errcomm__ ("loglogerr", hax, varargin{:});
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64 unwind_protect_cleanup
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65 if (! isempty (oldfig))
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66 set (0, "currentfigure", oldfig);
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67 endif
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68 end_unwind_protect
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70 if (nargout > 0)
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71 h = htmp;
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72 endif
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73
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74 endfunction
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77 %!demo
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78 %! clf;
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79 %! x = exp (log (0.01):0.2:log (10));
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80 %! y = wblpdf (x, 3, 2);
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81 %! eyu = 2*rand (size (y)) .* y;
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82 %! eyl = 0.5*rand (size (y)) .* y;
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83 %! loglogerr (x, y, eyl, eyu, '#~x-');
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84 %! xlim (x([1, end]));
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85 %! title ({'loglogerr(): loglog() plot with errorbars', ...
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86 %! 'Both axes are logarithmic'});
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87