Cannot use set_param() to run a simulation in a MATLAB session that does not have a display.
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Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 20/100
- Issue type
- Bug
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- python
- Domain
- api, operating-systems
Research direction
Start by reproducing the documented start_matlab(option="-nodesktop") and set_param calls in the stated Python 3.7, MATLAB R2020a, Linux environment. Compare the set_param and sim documentation cited in the issue; done means identifying whether this is expected behavior or a reproducible Engine-specific defect and documenting a supported resolution.
Written by the indexing model from the issue text.
Description
Hello,
I'm currently using MATLAB Engine for Python on a Linux system. When I run the following commands:
self.eng = matlab.engine.start_matlab(option="-nodesktop")
self.eng.set_param(self.modelName, 'SimulationCommand', 'start', nargout=0)
I encounter the following error:
matlab.engine.MatlabExecutionError: You cannot use set_param to run a simulation in a MATLAB session that does not have a display.
I found information in the MATLAB documentation (set_param) mentioning that if you start a session with matlab -nodisplay, you cannot use set_param to run a simulation. The -nodisplay mode does not support using set_param for simulation, and it suggests using the sim function instead.
However, I am hesitant to use the sim function because according to the documentation, certain functionalities like pause and continue are not supported.
I would like to understand why I am encountering this issue when I have not explicitly set -nodisplay. Could this be specific to using MATLAB Engine on a Linux system? Is there any recommended method to address this issue on Linux?
Additionally, please find below details about my environment:
Python Version: 3.7
MATLAB Version: R2020a
Operating System: Linux
Your assistance in resolving this matter would be highly appreciated.
Thank you.
- Dominant language
- Python
- Stars
- 97
- Forks
- 13
- PR merge metrics
- No merged PRs in 30d
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