MATLAB: What do I do if a menu option in the model does not show up in Simulink 7.3(R2009a)

indicatorlinearizationmenuoptionpreferencesimulink

I was trying to check 'Linearization Indicators' that is one of the menu options on a model.
This option is located : “Format>Ports and Displays>Linearization Indicators”
But I couldn't see the 'Linearization Indicators' option.
How can I find the 'Linearization Indicators' option in the list of Ports and Displays'?

Best Answer

Menu options can be refreshed by recreating the preferences directory. This can be done by:
1. In the preference directory (path can be obtained by typing 'prefdir' on matlab command prompt), rename matlab.prf to matlab.prf.old and dastudio.prf to dastudio.prf.old and then restart MATLAB.
2. If above does not work, open the model and then enter the following command in MATLAB command prompt:
set_param(gcs,'ShowLinearizationAnnotations','on')
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