MATLAB: Are there any illustrative examples of different subsystem semantics in Simulink

examplesemanticssimulinksl_subsys_semanticssubsystems

The documentation section on 'Creating conditionally executed subsystems' in the Simulink user's guide has detailed description regarding different subsystem semantics.

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This change has been incorporated into the documentation in Release 2009a (R2009a). For previous releases, read below for any additional information:

The Subsystem Examples demo model under the Block Diagramming Features section in the documentation has example models that can be used to understand different subsystem semantics in Simulink. You can also reach this model by typing the following command at the MATLAB command prompt:

open_system('sl_subsys_semantics');

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MATLAB: Can the Model Reference block become a linked library block in Simulink

This bug has been fixed in Release 2007a (R2007a). For previous product releases, read below for any possible workarounds:

Simulink does not allow you to create a linked library from a Model block. Only subsystems and masked blocks can become linked library blocks. Model Reference blocks are not either of these type of blocks.

To work around this issue, you can consider either of the following options:

1. Put the model block into a subsystem block for the purpose of making that subsystem a library block.

This creates a subsystem wrapper that can then be a linked library block.

2. Mask the Model Reference block via:

set_param(gcb,'Mask','on')

This will then allow the Model Block to be a linked library block, since it becomes a masked block.

MATLAB: How to display just the configurable subsystem in the Library browser when I include the configurable subsystem library in Simulink 7.7 (R2011a)

In order to show only the configurable subsystem in the library browser you must create a new library that contains an instance of the configurable subsystem that you have defined.

There is an example attached. Here we have a configurable subsystem which is defined in a library 'definitionlib' and because when adding a library to the library browser it resolves all subsystems at the top level in the library; it will show all the option subsystems when you select this library in the browser. To avoid this I have create a new library (in the example: 'instancelib') which contains an instance of the configurable subsystem. As this is the only subsystem in the library, when it is added to the library browser it is the only block shown.

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MATLAB: Can the Model Reference block become a linked library block in Simulink

MATLAB: How to display just the configurable subsystem in the Library browser when I include the configurable subsystem library in Simulink 7.7 (R2011a)

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