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+## Copyright (C) 2008 David Bateman
+##
+## 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
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} ezplot (@var{f})
+## @deftypefnx {Function File} {} ezplot (@var{fx}, @var{fy})
+## @deftypefnx {Function File} {} ezplot (@dots{}, @var{dom})
+## @deftypefnx {Function File} {} ezplot (@dots{}, @var{n})
+## @deftypefnx {Function File} {} ezplot (@var{h}, @dots{})
+## @deftypefnx {Function File} {@var{h} =} ezplot (@dots{})
+##
+## Plots in two-dimensions the curve defined by @var{f}. The function
+## @var{f} may be a string, inline function or function handle and can
+## have either one or two variables. If @var{f} has one variable, then 
+## the function is plotted over the domain @code{-2*pi < @var{x} < 2*pi}  
+## with 500 points. 
+##
+## If @var{f} has two variables then @code{@var{f}(@var{x},@var{y}) = 0}
+## is calculated over the meshed domain @code{-2*pi < @var{x} | @var{y}
+## < 2*pi} with 60 by 60 in the mesh. For example
+##
+## @example
+## ezplot (@@(@var{x}, @var{y}) @var{x} .^ 2 - @var{y} .^ 2 - 1)
+## @end example
+##
+## If two functions are passed as strings, inline functions or function
+## handles, then the parametric function
+##
+## @example
+## @group
+## @var{x} = @var{fx} (@var{t})
+## @var{y} = @var{fy} (@var{t})
+## @end group
+## @end example
+##
+## is plotted over the domain @code{-2*pi < @var{t} < 2*pi} with 500
+## points. 
+##
+## If @var{dom} is a two element vector, it represents the minimum and maximum
+## value of @var{x}, @var{y} and @var{t}. If it is a four element
+## vector, then the minimum and maximum values of @var{x} and @var{t}
+## are determined by the first two elements and the minimum and maximum
+## of @var{y} by the second pair of elements.
+##
+## @var{n} is a scalar defining the number of points to use in plotting
+## the function.
+##
+## The optional return value @var{h} provides a list of handles to the 
+## the line objects plotted.
+##
+## @seealso{plot, ezplot3}
+## @end deftypefn
+
+function retval = ezplot (varargin)
+
+  [h, needusage] = __ezplot__ ("plot", varargin{:});
+
+  if (needusage)
+    print_usage ();
+  endif
+
+  if (nargout > 0)
+    retval = h;
+  endif
+endfunction
+
+%!demo
+%! ezplot (@cos, @sin)
+
+%!demo
+%! ezplot ("1/x")
+
+%!demo
+%! ezplot (inline("x^2 - y^2 = 1"))