gusucode.com > MATLAB仿真技术与应用__的配套例题和习题的matlab源代码 > 第三章/example2.m

    %MATLAB program 3-2
 new_system('li3_1');
 open_system('li3_1');
 add_block('built-in/Step','li3_1/Input signal');
 add_block('built-in/Sum','li3_1/sum');
 add_block('built-in/Integrator','li3_1/Integrator');
 add_block('built-in/Transfer Fcn','li3_1/Transfer Fcn');
 add_block('built-in/To Workspace','li3_1/To Workspace');
 add_line('li3_1','Input signal/1','sum/1');
 add_line('li3_1','sum/1','Integrator/1');
 add_line('li3_1','Integrator/1','Transfer Fcn/1');
 add_line('li3_1','Transfer Fcn/1','To Workspace/1');
 set_param('li3_1','Location',[480 93 980 386]);
 set_param('li3_1/Integrator','Position',[175 95 205 125]);
 set_param('li3_1/Integrator','Position',[175 95 205 125]);
 set_param('li3_1/Input signal','Position',[45 95 75 125]);
 set_param('li3_1/sum','Position',[125 100 145 120]);
 set_param('li3_1/sum','IconShape','round');
 set_param('li3_1/sum','Inputs','|+-');
 set_param('li3_1/To Workspace','Position',[360 95 420 125]);
 set_param('li3_1/To Workspace','VariableName','simout');
 set_param('li3_1/Transfer Fcn','Position',[245 92 305 128]);
 set_param('li3_1/Transfer Fcn','Denominator','[1 1]');
 add_line('li3_1',[340 110; 340 150; 135 150; 135 120]);
 save_system('li3_1');
% close_system('li3_1');