MATLAB: What is this Simulink block called

blockinoutMATLABmodelshort questionsimulink

What is this middle block in Simulink? I cannot find it in the library.

Best Answer

Hi, David Baas. This block in the middle is called as "Subsystem". It is a group of blocks that have been simplified into a subsystem. For more details, you may check out: https://www.mathworks.com/help/simulink/ug/creating-subsystems.html
Thank you.
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