delete_l.m

数字通信第四版原书的例程

%DELETE_LINE Removes a line from a model.
%	DELETE_LINE(SYSTEM, P) removes a line from the specified system.
%	The line can be specified in two ways. If there are 
%	only two arguments, the second argument is taken to 
%	be a point. Any line that contains the specified point 
%	will be deleted. If there are three arguments, they 
%	are taken to specify an input port and an output port, 
%	respectively. If a line exists connecting the specified 
%	ports, it will be deleted.
%
%	See also ADD_LINE, ADD_BLOCK, DELETE_BLOCK.

%	Copyright (c) 1990-94 by The MathWorks, Inc.

%	Built-in function