myplot.m

有关matlab r2007的实用教程

function [x0, y0] = myplot(x, y, npts, angle, subdiv)
% MYPLOT  Plot a function.
% MYPLOT(x, y, npts, angle, subdiv)
% The first two input arguments are
% required; the other three have default values.

if nargin < 5, subdiv = 20; end
if nargin < 4, angle = 10; end
if nargin < 3, npts = 25; end

if nargout == 0
     plot(x, y)
else
     x0 = x;
     y0 = y;
end