Viewing a Model Reference Hierarchy
Simulink provides tools and functions that you can use
to examine a model reference hierarchy:
Model Dependency Viewer —
Shows the structure the hierarchy lets you open constituent models.
The Referenced Model Instances view displays Model blocks differently
to indicate Normal, Accelerator, and PIL modes. See Using the Model Dependency Viewer for more information.
view_mdlrefs function —
Invokes the Model Dependency Viewer to display a graph of model reference
dependencies.
find_mdlrefs function —
Finds all models directly or indirectly referenced by a given model.
Displaying Version Numbers
To display the version numbers of the models referenced by a
model, choose Model block version from
the Block displays submenu of the
parent model's Format menu. Simulink displays
the version numbers in the icons of the corresponding Model block
instances.
The version number displayed on a Model block icon refers to
the version of the model used to create the block, or used most recently
to refresh the block. See Managing Model Versions and Refreshing Model Blocks for more information.
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 | Referenced Model Simulation Modes | | Model Reference Simulation Targets |  |
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