Question
Whenever I try to use some Python functions in MATLAB using the Python Interface, my MATLAB crashes. What can I do to avoid such a crash?
Expert Answer
John Williams
PhD Expert
Answered Aug 24, 2026
If MATLAB crashes when you try to use the Python Interface for MATLAB, then this might be caused by a version conflict between libraries shipped by MATLAB and the ones required by the Python package you are trying to use.
Starting in MATLAB R2019b, you can try the out-of-process execution mode while working with the Python interface in MATLAB. This runs the Python commands in a separate process and helps avoid potential library conflicts. You can use the following command to specify out-of-process execution mode.
pyenv("ExecutionMode","OutOfProcess")
Please refer to the documentation link below to learn more about this.
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