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Implement Blocks with System Objects

Use a System object™ in Simulink® using MATLAB System blocks

Blocks

MATLAB System Include System object in model

Examples and How To

Implement a MATLAB System Block

Implement a block and assign a System object to it.

Change Blocks Implemented with System Objects

Implement a block with another System object.

Change Block Icon and Port Labels

Change the icon appearance of your block with the matlab.system.mixin.CustomIcon class.

Add and Implement Propagation Methods

To define output specifications, use propagation methods.

Use System Objects in Feedback Loops

To process nondirect feedthrough data through the System object, use the matlab.system.mixin.Nondirect class.

Share Data with Other Blocks

Share data between MATLAB System and other blocks using the global keyword and the Data Store Memory block or Simulink.Signal object.

Concepts

MATLAB System Block

Implement your own algorithms using System objects.

Mapping System Objects to Block Dialog Box

The System object source code controls the appearance of the block dialog box.

Simulation Modes

You can use MATLAB System block in Simulink models for simulation via interpreted execution or code generation.

Simulink Engine Interaction with System Object Methods

Follow a process view of the order in which the MATLAB System block invokes System object methods within the context of the Simulink engine.

Nonvirtual Buses and MATLAB System Block

Use nonvirtual buses as input and output signals

Share Data with Other Blocks

Share data between MATLAB System and other blocks using the global keyword and the Data Store Memory block or Simulink.Signal object.

Considerations for Using System Objects in Simulink

Consider these guidelines when working with variable-size signals, tunable parameters, and For Each subsystems.

Troubleshooting

Troubleshoot System Objects in Simulink

Use these guidelines to troubleshoot System objects in Simulink.

Related Information

System Objects (MATLAB)

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