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grid.m
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1996-09-28
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# Copyright (C) 1993, 1994, 1995 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 2, 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, write to the Free
# Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
function grid (x)
# usage: grid ("on" | "off")
#
# Turn grid lines on or off for plotting.
#
# If the argument is omitted, "on" is assumed.
#
# See also: plot, semilogx, semilogy, loglog, polar, mesh, contour,
# bar, stairs, gplot, gsplot, replot, xlabel, ylabel, title
if (nargin == 0)
set grid;
elseif (nargin == 1)
if (isstr (x))
if (strcmp ("off", x))
set nogrid;
elseif (strcmp ("on", x))
set grid;
else
usage ("grid (\"on\" | \"off\")");
endif
else
error ("grid: argument must be a string");
endif
else
error ("usage: grid (\"on\" | \"off\")");
endif
endfunction