samer@0: function varargout=plot(varargin)
samer@0: 
samer@0: varargin=cellmap(@instantiate,varargin);
samer@0: [varargout{1:nargout}]=plot(varargin{:});
samer@0: 
samer@0: function a=instantiate(a), if isa(a,'data'), a=head(a); end