Matlab function "pyenv"

Question

Stefan Martinek 2023-3-12

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1927445-matlab-function-pyenv

回答： Amith 2024-5-20

I need to convert one function from Matlab to Python. My Matlab version is R2022.b. Compatible Python version is 3.10. Both Matlab and Python are now installed on my PC. When I run the function "pyenv" in Matlab, I receive empty fields and message "Python commands require a supported version of CPython."

Regarding Matlab, I have: Matlab, Financial Toolbox, Optimization Toolbox, and Statistics and Machine Learning Toolbox.

Do I need to get some other toolboxes for Matlab to be able to see/work with Python?

Thank you.

Stefan

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Stefan Martinek 2023-3-13

I installed it from python.org, version 3.10, https://www.python.org/downloads/release/python-3109/ bottom of the page "Windows Installer (64 bit)".

Chris 2023-3-13

编辑：Chris 2023-3-13

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@Stefan Martinek is the appropriate environment variable for python set? to find out, you can execute these two commands in Matlab:

p = string(strsplit(getenv('PATH'),';')');
p(contains(p,'python'))

It should be something like "C:\Users\[username]\AppData\Local\Programs\Python\Python310\python"

If it's not there, the easiest way to add it would be to re-run the python installer, select "Modify," and "Add Python to enviromnent variables." Then restart Matlab after the installation is complete.

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Answer 1

Amith 2024-5-20

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1927445-matlab-function-pyenv#answer_1460291

Hi,

Once you have installed Python on your system, make sure that your Python environment variable is configured to be at the top of the system's PATH environment variable list.