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maint: update Octave Project Developers copyright for the new year
author John W. Eaton <jwe@octave.org>
date Fri, 22 Dec 2023 12:08:17 -0500
parents 597f3ee61a48
children
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1 ########################################################################
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2 ##
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3 ## Copyright (C) 2000-2024 The Octave Project Developers
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4 ##
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5 ## See the file COPYRIGHT.md in the top-level directory of this
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6 ## distribution or <https://octave.org/copyright/>.
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7 ##
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8 ## This file is part of Octave.
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9 ##
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10 ## Octave is free software: you can redistribute it and/or modify it
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11 ## under the terms of the GNU General Public License as published by
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12 ## the Free Software Foundation, either version 3 of the License, or
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13 ## (at your option) any later version.
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14 ##
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15 ## Octave is distributed in the hope that it will be useful, but
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16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ## GNU General Public License for more details.
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19 ##
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20 ## You should have received a copy of the GNU General Public License
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21 ## along with Octave; see the file COPYING. If not, see
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22 ## <https://www.gnu.org/licenses/>.
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23 ##
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24 ########################################################################
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25
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26 ## -*- texinfo -*-
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27 ## @deftypefn {} {} semilogxerr (@var{y}, @var{ey})
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28 ## @deftypefnx {} {} semilogxerr (@var{y}, @dots{}, @var{fmt})
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29 ## @deftypefnx {} {} semilogxerr (@var{x}, @var{y}, @var{ey})
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30 ## @deftypefnx {} {} semilogxerr (@var{x}, @var{y}, @var{err}, @var{fmt})
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31 ## @deftypefnx {} {} semilogxerr (@var{x}, @var{y}, @var{lerr}, @var{uerr}, @var{fmt})
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32 ## @deftypefnx {} {} semilogxerr (@var{x}, @var{y}, @var{ex}, @var{ey}, @var{fmt})
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33 ## @deftypefnx {} {} semilogxerr (@var{x}, @var{y}, @var{lx}, @var{ux}, @var{ly}, @var{uy}, @var{fmt})
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34 ## @deftypefnx {} {} semilogxerr (@var{x1}, @var{y1}, @dots{}, @var{fmt}, @var{xn}, @var{yn}, @dots{})
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35 ## @deftypefnx {} {} semilogxerr (@var{hax}, @dots{})
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36 ## @deftypefnx {} {@var{h} =} semilogxerr (@dots{})
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37 ## Produce 2-D plots using a logarithmic scale for the x-axis and errorbars
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38 ## at each data point.
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39 ##
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40 ## Many different combinations of arguments are possible. The most common
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41 ## form is
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42 ##
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43 ## @example
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44 ## semilogxerr (@var{x}, @var{y}, @var{ey}, @var{fmt})
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45 ## @end example
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46 ##
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47 ## @noindent
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48 ## which produces a semi-logarithmic plot of @var{y} versus @var{x}
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49 ## with errors in the @var{y}-scale defined by @var{ey} and the plot
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50 ## format defined by @var{fmt}. @xref{XREFerrorbar,,@code{errorbar}}, for
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51 ## available formats and additional information.
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52 ##
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53 ## If the first argument @var{hax} is an axes handle, then plot into this axes,
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54 ## rather than the current axes returned by @code{gca}.
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55 ##
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56 ## @seealso{errorbar, semilogyerr, loglogerr}
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57 ## @end deftypefn
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58
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59 function h = semilogxerr (varargin)
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60
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61 [hax, varargin] = __plt_get_axis_arg__ ("semilogxerr", varargin{:});
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62
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63 oldfig = [];
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64 if (! isempty (hax))
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65 oldfig = get (0, "currentfigure");
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66 endif
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67 unwind_protect
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68 hax = newplot (hax);
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69
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70 set (hax, "xscale", "log");
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71 if (! ishold ())
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72 set (hax, "xminortick", "on");
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73 endif
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74
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75 htmp = __errplot__ ("semilogxerr", hax, varargin{:});
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77 unwind_protect_cleanup
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78 if (! isempty (oldfig))
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79 set (0, "currentfigure", oldfig);
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80 endif
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81 end_unwind_protect
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82
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83 if (nargout > 0)
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84 h = htmp;
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85 endif
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86
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87 endfunction
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88
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89
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90 %!demo
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91 %! clf;
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92 %! x = exp (log (0.01):0.2:log (10));
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93 %! wblpdf = @(x, scl, shp) shp*(scl^-shp) .* x.^(shp-1) .* exp (-(x/scl).^shp);
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94 %! y = wblpdf (x, 2, 2);
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95 %! ey = 0.5*rand (size (y)) .* y;
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96 %! semilogxerr (x, y, ey, "#~x-");
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97 %! xlim (x([1, end]));
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98 %! title ({"semilogxerr(): semilogx() plot with errorbars", ...
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99 %! "X-axis is logarithmic"});