How to programmatically change tunable masked parameters while a simulation is running?
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I would like to programmatically change masked parameters while a simulation is running. I have made the parameters "tunable" however if I attempt to change them programmatically I get the error Cannot change property 'Value' of ... while simulation is running. I can however double click on the block and change the paramaters in the mask dialog box while the simulation is running demonstrating that they are in fact tunable. Is there some way to programmatically change a tunable masked parameter while the simulation is running?
The problem is demonstrated using the attached model.
1. Start the model running
2. Double click on the Subsystem block and confirm that you can edit/change the parameter called x while the simulation is running
3. On the command line get the corresponding Simulink.Mask object using m = Simulink.Mask.get('tryparam/Subsystem')
4. on the command line type m.Parameters.tunable and confirm that it is 'on'
5. Attempt to set the tunable masked parameter using m.Parameters.Value = '5' (or any other number), you will see the error: Cannot change property 'Value' of 'tryparam/Subsystem' while simulation
I have also submitted this as a support request, but in case anyone in the community has an answer I thought I would check more widely
Chaitanya Mallela on 20 Oct 2020
I have brought the issue of 'Programmatically changing the tunable masked parameters while running the model' to the notice of our developers. They will investigate the matter further.