Mercurial > octave
view scripts/plot/draw/semilogx.m @ 27898:4d6d21839dfd
remove Author: jwe and Adapted-by: jwe lines from source files
These lines have little meaning now in the age of modern version
control systems.
Files affected: url-transfer.cc, url-transfer.h, acot.m, acoth.m,
acsc.m, acsch.m, asec.m, asech.m, cot.m, coth.m, csc.m, csch.m, sec.m,
sech.m, cart2pol.m, cart2sph.m, deal.m, fliplr.m, flipud.m, int2str.m,
logspace.m, num2str.m, pol2cart.m, rot90.m, sortrows.m, sph2cart.m,
waitbar.m, doc.m, hsv2rgb.m, rgb2hsv.m, beep.m, isstr.m, setstr.m,
strmatch.m, cond.m, rank.m, trace.m, bug_report.m, cast.m, delete.m,
dir.m, list_primes.m, ls.m, ls_command.m, menu.m, pack.m, recycle.m,
substruct.m, version.m, glpk.m, axis.m, box.m, grid.m,
__axis_label__.m, text.m, title.m, view.m, xlabel.m, ylabel.m,
zlabel.m, bar.m, barh.m, comet3.m, hist.m, line.m, loglog.m, mesh.m,
patch.m, plot.m, polar.m, __bar__.m, __line__.m, __plt__.m,
__stem__.m, semilogx.m, semilogy.m, sombrero.m, stairs.m, stem.m,
surface.m, __default_plot_options__.m, __gnuplot_drawnow__.m,
__next_line_color__.m, __plt_get_axis_arg__.m, __pltopt__.m, clf.m,
closereq.m, gca.m, gnuplot_binary.in.m, isfigure.m, meshgrid.m,
__gnuplot_draw_axes__.m, __gnuplot_draw_figure__.m, shg.m, addpref.m,
getpref.m, ispref.m, loadprefs.m, prefsfile.m, saveprefs.m, rmpref.m,
setpref.m, ismember.m, setdiff.m, union.m, hankel.m, hilb.m, vander.m,
median.m, std.m, cstrcat.m, isletter.m, str2num.m, strcat.m,
oruntests.m, rundemos.m, asctime.m, clock.m, ctime.m, date.m, etime.m,
is_leap_year.m.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 02 Jan 2020 15:43:01 -0500 |
parents | 00f796120a6d |
children | b442ec6dda5c |
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## Copyright (C) 1993-2019 John W. Eaton ## ## 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 {} {} semilogx (@var{y}) ## @deftypefnx {} {} semilogx (@var{x}, @var{y}) ## @deftypefnx {} {} semilogx (@var{x}, @var{y}, @var{property}, @var{value}, @dots{}) ## @deftypefnx {} {} semilogx (@var{x}, @var{y}, @var{fmt}) ## @deftypefnx {} {} semilogx (@var{hax}, @dots{}) ## @deftypefnx {} {@var{h} =} semilogx (@dots{}) ## Produce a 2-D plot using a logarithmic scale for the x-axis. ## ## See the documentation of @code{plot} for a description of the ## arguments that @code{semilogx} will accept. ## ## If the first argument @var{hax} is an axes handle, then plot into this axes, ## rather than the current axes returned by @code{gca}. ## ## The optional return value @var{h} is a graphics handle to the created plot. ## @seealso{plot, semilogy, loglog} ## @end deftypefn function h = semilogx (varargin) [hax, varargin, nargs] = __plt_get_axis_arg__ ("semilogx", varargin{:}); if (nargs < 1) print_usage (); endif oldfig = []; if (! isempty (hax)) oldfig = get (0, "currentfigure"); endif unwind_protect hax = newplot (hax); set (hax, "xscale", "log"); if (! ishold ()) set (hax, "xminortick", "on", "box", "on"); endif htmp = __plt__ ("semilogx", 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 = 1:0.01:10; %! y = (x .* (1 + rand (size (x)))) .^ 2; %! semilogx (y, x); %! title ({"semilogx() plot", "X-axis is logarithmic"}); %!demo %! clf; %! x = logspace (-5, 1, 10); %! y = logspace (-5, 1, 10); %! %! subplot (1,2,1); %! semilogx (x, y); %! title ("semilogx (x, y)"); %! %! subplot (1,2,2); %! semilogx (-x, y); %! title ("semilogx (-x, y)"); %!demo %! clf; %! x = logspace (-5, 1, 10); %! y = logspace (-5, 1, 10); %! %! subplot (1,2,1); %! semilogx (x, y); %! set (gca, "xdir", "reverse", "activepositionproperty", "outerposition"); %! title ({"semilogx (x, y)", "xdir = reversed"}); %! %! subplot (1,2,2); %! semilogx (-x, y); %! set (gca, "xdir", "reverse", "activepositionproperty", "outerposition"); %! title ({"semilogx (-x, y)", "xdir = reversed"}); %!test %! hf = figure ("visible", "off"); %! unwind_protect %! a = logspace (-5, 1, 10); %! b = logspace (-5, 1, 10); %! semilogx (a, b); %! assert (get (gca, "xscale"), "log"); %! assert (get (gca, "yscale"), "linear"); %! unwind_protect_cleanup %! close (hf); %! end_unwind_protect %!test %! hf = figure ("visible", "off"); %! unwind_protect %! a =-logspace (-5, 1, 10); %! b = logspace (-5, 1, 10); %! semilogx (a, b); %! axis tight; %! assert (all (get (gca, "xtick") < 0)); %! unwind_protect_cleanup %! close (hf); %! end_unwind_protect