Cannot start the MATLAB engine for python

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Marija Stojchevska on 5 Nov 2018

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Edited: Harry Vancao on 8 Nov 2018

Hello,

I am using Matlab R2018b on Ubuntu 16.04. I am also using PyCharm and python 3.5 I get however the following error when I try to start the MATLAB engine for python.

eng = matlab.engine.start_matlab()

matlab.engine.EngineError: Unable to launch MVM server: Unable to launch /.../bin/matlab

because: An error occurred while initializing child process: Failed to fork, while attempting to execute "/.../bin/matlab [here continues the very long command]" with Error : Cannot allocate memory

Can anyone help me and explain why I get this error?

Thank you

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Answer 1

Harry Vancao on 8 Nov 2018

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https://nl.mathworks.com/matlabcentral/answers/428118-cannot-start-the-matlab-engine-for-python#answer_345944

Edited: Harry Vancao on 8 Nov 2018

When you start a MATLAB engine, a new headless MATLAB process is started. The error means that the process was unable to be forked due to system resource limitations. More specifically, it appears that your machine does not have enough memory to launch MATLAB.

You can trouble-shoot this by running the command "top" on your terminal and monitor the memory availability of your machine when you are starting the MATLAB engine. Please ensure that at least 1GB of RAM is available before the engine is started.