title: Finding SubSystems in a Simulink model using find_system() instruction in Matlab
body: <p>I am trying to find all the SubSystems present in a Simulink model at a particular Level including the Subsystems from Third Party libraries. But In the result I get some values instead of names of the SubSystems from Libraries. Please could someone help ??</p>
  
  <p>Instruction Used:</p>
  
  <p>find_system('Level1/Level2','SearchDepth',1,'LookUnderMasks','on','BlockType','SubSystem')</p>
  
  <p>Result:</p>
  
  <pre><code>'Level1/Subsystem1'
  'Level1/SubSystem2'
  [1x11 char]
  [1x90 char]
  [1x34 char]
  </code></pre>
  
  <p>Any help is appreciated.</p>
  
  <p>Thanks.</p>