Unable to open the requested feature. Check your internet connection and proxy settings in MATLAB Web preferences and then try starting the feature again. Detailed information

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Won Gyeom
Won Gyeom 2024-5-20
回答： Kunal Kandhari 2024-5-21
out = parsim(simInput,'ShowSimulationManager','on');
To check the parallel operation process of the simulation link file in real time with the above code, the following error window and error message occur.
I should be very grateful to you if you might help me.
  1 个评论
Angelo Yeo
Angelo Yeo 2024-5-20
(1) One cannot figure out the underlying reason for the issue without thorough reproduction steps. If you don't want to share your model and reproduction steps on the Internet, please reach out to MW technical support.
Contact Support - MATLAB & Simulink (mathworks.com)
Note that Technical Support requires subscription to maintenance service.
(2) It might look strange that you run into "Web preference" error. However, the core issue is that the "Simulation Manager" was not initialized properly. In other words, MATLAB tried to run requested feature but failed. I assume that some of parallel computing features are not fully supported but you tried to run them. Again, we need reproduction steps to figure out the underlying reasons.

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采纳的回答

Kunal Kandhari
Kunal Kandhari 2024-5-21
Hi,
The parsim function simulates a dynamic system multiple times, either in parallel or serially.
I am assuming that you have set a thread-based environment as the default in your profile. Note that thread-based environments support only a subset of the MATLAB functions available for process workers. Currently, the thread-based environment doesn’t support the parsim function. Therefore, you need to use a process-based parallel pool environment for running the parsim function.
Refer to the following MATLAB Answers post for setting up the process-based environment:
https://in.mathworks.com/matlabcentral/answers/1946738-get-this-error-when-trying-to-open-reinforcement-learning-manager-unable-to-open-the-requested-fea?s_tid=srchtitle
Also, you can check list of MATLAB functions supported in thread-based environment here:
https://www.mathworks.com/help/matlab/referencelist.html?type=function&capability=threadsupport

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