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My MATLAB 2022a not talking to Python 3.9.13

35 vues (au cours des 30 derniers jours)
Ken Bannister
Ken Bannister le 26 Juil 2022
Commenté : Ken Bannister le 28 Juil 2022
OK, the usual newby start-up problems. I downloaded Python 3.9.13 in hopes I could call Python routines from MATLAB. Not sure what else I have to do to so MATLAB can call (talk to) Python. The very first recommended step in the relevant MATLAB help documentation seems to be to issue the command "pyenv" in MATLAB. Here is the result I get:
=====================================================================================
>> pyenv
ans =
PythonEnvironment with properties:
Version: ""
Executable: ""
Library: ""
Home: ""
Status: NotLoaded
ExecutionMode: InProcess
=====================================================================================
Hmmm, not encouraging. Clearly, I need to do something else. But what? Is Python 3.9.13 not compatile with MATLAB 2022a?

Réponse acceptée

Mohammad Sami
Mohammad Sami le 26 Juil 2022
It seems that python is not your on paths list, hence its not auto detected by Matlab.
You can manually set the executable path using pyenv function so that Matlab can load python.
executable = 'C:\Users\xxxxxx\AppData\Local\Programs\Python\Python37\pythonw.exe';
pe = pyenv('Version',executable);
The variable executable specifies the full path to the Python executable. You can look for the path where you installed python.
  2 commentaires
Ken Bannister
Ken Bannister le 26 Juil 2022
OK Mohammad, many thanks, that seems to work! Here is what I get now after entering what you recommended (with a couple of minor changes you could not know about), and also what "pyenv" returns:
=============================================================================
>> executable = 'C:\Users\ken\AppData\Local\Programs\Python\Python39\pythonw';
pe = pyenv('Version',executable );
>> pyenv
ans =
PythonEnvironment with properties:
Version: "3.9"
Executable: "C:\Users\ken\AppData\Local\Programs\Python\Python39\pythonw.EXE"
Library: "C:\Users\ken\AppData\Local\Programs\Python\Python39\python39.dll"
Home: "C:\Users\ken\AppData\Local\Programs\Python\Python39"
Status: NotLoaded
ExecutionMode: InProcess
==================================================================================
Ken Bannister
Ken Bannister le 28 Juil 2022
Mohammad: I have done some trial runs with MATLAB calling Python and have gotten the expected results.
Many thanks once again!

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