matlab python engine module not recognized

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Shiping Yi
Shiping Yi 2019-7-29
回答： Meet 2025-1-17
I am having trouble using the matlab python engine. I tried this piece of code from the mathworks website:
import matlab.engine
if __name__ == '__main__':
eng = matlab.engine.start_matlab()
x = 4.0
eng.workspace['y'] = x
a = eng.eval('sqrt(y)')
print(a)
pass
But pycharm is giving me an error saying "ModuleNotFoundError: No module named 'matlab.engine'; 'matlab' is not a package". I am using python 3.6 and matlab 2018. I saw that these are the supported versions on website, I saw a similar post about this problem but I can't even run my program from python command line. I also can't find teh matlab.py in my python site-packages, although I have the matlab folder in packages.

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回答（1 个）

Meet
Meet 2025-1-17
Hi Shiping,
To resolve this issue, you need to install the MATLAB Engine API for Python:
First ensure that you have correct version of python installed and accessible using command line.
Then open a command prompt and navigate to the MATLAB engine directory:
cd "matlabroot\extern\engines\python"
Replace 'matlabroot' with your MATLAB installation directory.
Install MATLAB API using 'pip' command:
python -m pip install .
To get the detailed instructions on the same, please follow this documentation link:
https://www.mathworks.com/help/matlab/matlab_external/install-the-matlab-engine-for-python.html

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