Measurement Covariance Matrix must be non-empty

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Suraj Parasuram
Suraj Parasuram 2023-7-14
编辑： Maneet Kaur Bagga 2023-8-31
Hi,
I am currently using the EKF block for one of my simulations. As soon as I start the simulation, it shows an error as shown below:
I have double checked my R matrix and it contains values but for some reason EKF block is throwing an error saying it is empty.
A quick Internet search regarding this issue returned nothing.
Any guidance on this would be helpful
Thanks,
Suraj

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Maneet Kaur Bagga
Maneet Kaur Bagga 2023-8-31
编辑：Maneet Kaur Bagga 2023-8-31
Hi @Suraj Parasuram,
As mentioned in the above problem I understand that the R matrix is not empty while running the EKF Block for the simulation. The issue might be encountered due to the license and hence you can check using the below code:
% Check if Control System Toolbox is licensed
if license('test', 'Control_System_Toolbox')
disp('Control System Toolbox is licensed.')
else
disp('Control System Toolbox is not licensed.')
end
Also, you can refer to MATLAB answers addressing the similar queries using the following links:
https://www.mathworks.com/matlabcentral/answers/1676834-why-do-i-get-the-error-failed-to-evaluate-mask-initialization-commands-cannot-change-the-model-wh
https://www.mathworks.com/matlabcentral/answers/1630170-simulink-error-failed-to-evaluate-mask-initialization-commands
Thank You!
Maneet Bagga

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