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polar.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 polar (x1, x2, fmt)
# usage: polar (theta, rho, fmt)
#
# Make a 2D plot given polar the coordinates theta and rho.
#
# The optional third argument specifies the line type.
#
# See also: plot, semilogx, semilogy, loglog, mesh, contour, bar,
# stairs, gplot, gsplot, replot, xlabel, ylabel, title
set nologscale;
set nopolar;
if (nargin == 3)
if (isstr (fmt))
fmt = plot_opt ("polar", fmt);
else
error ("polar: third argument must be a string");
endif
polar_int_2 (x1, x2, fmt);
elseif (nargin == 2)
if (isstr (x2))
fmt = plot_opt ("polar", x2);
polar_int_1 (x1, fmt);
else
fmt = "";
polar_int_2 (x1, x2, fmt);
endif
elseif (nargin == 1)
fmt = "";
polar_int_1 (x1, fmt);
else
usage ("polar (theta, rho, fmt)");
endif
endfunction