Mercurial > octave
view scripts/plot/draw/loglogerr.m @ 29359:7854d5752dd2
maint: merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 10 Feb 2021 10:10:40 -0500 |
parents | 5394d688d456 0a5b15007766 |
children | 796f54d4ddbf |
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######################################################################## ## ## Copyright (C) 2000-2021 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## This file is part of Octave. ## ## Octave is free software: you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation, either version 3 of the License, or ## (at your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <https://www.gnu.org/licenses/>. ## ######################################################################## ## -*- texinfo -*- ## @deftypefn {} {} loglogerr (@var{y}, @var{ey}) ## @deftypefnx {} {} loglogerr (@var{y}, @dots{}, @var{fmt}) ## @deftypefnx {} {} loglogerr (@var{x}, @var{y}, @var{ey}) ## @deftypefnx {} {} loglogerr (@var{x}, @var{y}, @var{err}, @var{fmt}) ## @deftypefnx {} {} loglogerr (@var{x}, @var{y}, @var{lerr}, @var{uerr}, @var{fmt}) ## @deftypefnx {} {} loglogerr (@var{x}, @var{y}, @var{ex}, @var{ey}, @var{fmt}) ## @deftypefnx {} {} loglogerr (@var{x}, @var{y}, @var{lx}, @var{ux}, @var{ly}, @var{uy}, @var{fmt}) ## @deftypefnx {} {} loglogerr (@var{x1}, @var{y1}, @dots{}, @var{fmt}, @var{xn}, @var{yn}, @dots{}) ## @deftypefnx {} {} loglogerr (@var{hax}, @dots{}) ## @deftypefnx {} {@var{h} =} loglogerr (@dots{}) ## Produce 2-D plots on a double logarithm axis with errorbars. ## ## Many different combinations of arguments are possible. The most common ## form is ## ## @example ## loglogerr (@var{x}, @var{y}, @var{ey}, @var{fmt}) ## @end example ## ## @noindent ## which produces a double logarithm plot of @var{y} versus @var{x} ## with errors in the @var{y}-scale defined by @var{ey} and the plot ## format defined by @var{fmt}. @xref{XREFerrorbar,,@code{errorbar}}, for ## available formats and additional information. ## ## If the first argument @var{hax} is an axes handle, then plot into this axes, ## rather than the current axes returned by @code{gca}. ## @seealso{errorbar, semilogxerr, semilogyerr} ## @end deftypefn function h = loglogerr (varargin) [hax, varargin] = __plt_get_axis_arg__ ("loglogerr", varargin{:}); oldfig = []; if (! isempty (hax)) oldfig = get (0, "currentfigure"); endif unwind_protect hax = newplot (hax); set (hax, "xscale", "log", "yscale", "log"); if (! ishold ()) set (hax, "xminortick", "on", "yminortick", "on", "box", "on"); endif htmp = __errplot__ ("loglogerr", hax, varargin{:}); unwind_protect_cleanup if (! isempty (oldfig)) set (0, "currentfigure", oldfig); endif end_unwind_protect if (nargout > 0) h = htmp; endif endfunction %!demo %! clf; %! x = exp (log (0.01):0.2:log (10)); %! wblpdf = @(x, scl, shp) shp*(scl^-shp) .* x.^(shp-1) .* exp (-(x/scl).^shp); %! y = wblpdf (x, 3, 2); %! eyu = 2*rand (size (y)) .* y; %! eyl = 0.5*rand (size (y)) .* y; %! loglogerr (x, y, eyl, eyu, "#~x-"); %! xlim (x([1, end])); %! title ({"loglogerr(): loglog() plot with errorbars", ... %! "Both axes are logarithmic"});