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maint: Merge stable to default.
author John W. Eaton <jwe@octave.org>
date Mon, 23 Jan 2017 14:27:48 -0500
parents 3a2b891d0b33 e9a0469dedd9
children 092078913d54
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1 ## Copyright (C) 2000-2016 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
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8 ## (at 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
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13 ## GNU 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 {} {} semilogyerr (@var{y}, @var{ey})
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21 ## @deftypefnx {} {} semilogyerr (@var{y}, @dots{}, @var{fmt})
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22 ## @deftypefnx {} {} semilogyerr (@var{x}, @var{y}, @var{ey})
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23 ## @deftypefnx {} {} semilogyerr (@var{x}, @var{y}, @var{err}, @var{fmt})
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24 ## @deftypefnx {} {} semilogyerr (@var{x}, @var{y}, @var{lerr}, @var{uerr}, @var{fmt})
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25 ## @deftypefnx {} {} semilogyerr (@var{x}, @var{y}, @var{ex}, @var{ey}, @var{fmt})
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26 ## @deftypefnx {} {} semilogyerr (@var{x}, @var{y}, @var{lx}, @var{ux}, @var{ly}, @var{uy}, @var{fmt})
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27 ## @deftypefnx {} {} semilogyerr (@var{x1}, @var{y1}, @dots{}, @var{fmt}, @var{xn}, @var{yn}, @dots{})
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28 ## @deftypefnx {} {} semilogyerr (@var{hax}, @dots{})
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29 ## @deftypefnx {} {@var{h} =} semilogyerr (@dots{})
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30 ## Produce 2-D plots using a logarithmic scale for the y-axis and errorbars
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31 ## at each data point.
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32 ##
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33 ## Many different combinations of arguments are possible. The most common
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34 ## form is
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35 ##
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36 ## @example
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37 ## semilogyerr (@var{x}, @var{y}, @var{ey}, @var{fmt})
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38 ## @end example
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39 ##
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40 ## @noindent
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41 ## which produces a semi-logarithmic plot of @var{y} versus @var{x}
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42 ## with errors in the @var{y}-scale defined by @var{ey} and the plot
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43 ## format defined by @var{fmt}. @xref{XREFerrorbar,,errorbar}, for available
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44 ## formats and additional information.
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45 ##
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46 ## If the first argument @var{hax} is an axes handle, then plot into this axis,
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47 ## rather than the current axes returned by @code{gca}.
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48 ##
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49 ## @seealso{errorbar, semilogxerr, loglogerr}
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50 ## @end deftypefn
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51
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52 ## Created: 20.2.2001
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53 ## Author: Teemu Ikonen <tpikonen@pcu.helsinki.fi>
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54 ## Keywords: errorbar, plotting
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55
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56 function h = semilogyerr (varargin)
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57
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58 [hax, varargin] = __plt_get_axis_arg__ ("semilogyerr", varargin{:});
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59
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60 oldfig = [];
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61 if (! isempty (hax))
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62 oldfig = get (0, "currentfigure");
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63 endif
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64 unwind_protect
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65 hax = newplot (hax);
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66
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67 set (hax, "yscale", "log");
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68 if (! ishold ())
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69 set (hax, "yminortick", "on");
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70 endif
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71
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72 htmp = __errplot__ ("semilogyerr", hax, varargin{:});
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74 unwind_protect_cleanup
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75 if (! isempty (oldfig))
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76 set (0, "currentfigure", oldfig);
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77 endif
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78 end_unwind_protect
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80 if (nargout > 0)
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81 h = htmp;
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82 endif
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83
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84 endfunction
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87 %!demo
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88 %! clf;
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89 %! x = 0.25:0.25:10;
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90 %! y = wblpdf (x, 4, 2);
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91 %! eyu = rand (size (y));
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92 %! eyl = 1.0 - 1./(1+eyu);
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93 %! semilogyerr (x, y, eyl.*y, eyu.*y, "~-d");
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94 %! xlim ([0 10]);
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95 %! title ({"semilogyerr(): semilogy() plot with errorbars", ...
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96 %! "Y-axis is logarithmic"});