www.gusucode.com > simulink 案例源码程序 matlab代码 > simulink/DeleteLineRemoveLineInsideSubsystemUsingBlockPortNamesExample.m

    %% Remove Line Inside Subsystem Using Block Port Names   
% For the model |sldemo_househeat|, remove the line, inside the Heater subsystem,
% connecting the first output of the HeatGain block to the second input
% of the Heater Switch block.   

%%  
load_system('sldemo_househeat');
delete_line('sldemo_househeat/Heater','HeatGain/1','Heater Switch/2');