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Include several folders into path using Matlab Engine for Python

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Davide Mori
Davide Mori 2020 年 10 月 21 日
編集済み: Stefanie Schwarz 2023 年 7 月 19 日
Hi everyone,
I've just found out the Matlab engine for Python and I've managed to install it and the simple commands work well as well. Now I have a problem:
I have a huge library with a lot of subfolders. Inside them there are a lot of functions and there are functions that call other functions through these folders. As you may know, in Matlab is not a problem until I specify the path and include all these folders in the path.
How can I do that in my python code? This is what I've written in python:
import matlab.engine
eng = matlab.engine.start_matlab()
path = r'C:\Users\*name*\Desktop\pythonProject\sfs-matlab-master'
eng.cd(path, nargout=0)
eng.example(nargout=0)
What I've done was:
1) put the library "sfs-matlab-master" into my python_project folder
2) Inside this library I have a script "example.m" which in turn call other functions inside the library
When I run the python code I got this error
Undefined function 'sound_field_mono_nfchoa' for input arguments of type 'struct'.
where "sound_field_mono_nfchoa" is a script which is inside other subfolders.
Hope I've made myself clear and that you could help me :)

採用された回答

Athul Prakash
Athul Prakash 2020 年 10 月 30 日
Hi Davide,
If you're in MATLAB at the command line, you may use genpath and addpath as follows to add a folder 'myOuterFolder' and all its subfolders to the MATLAB path:
addpath(genpath('myOuterFolder'));
You may call the same function(s) in the MATLAB Engine as well:
eng = matlab.engine.start_matlab()
s = eng.genpath('myOuterFodler')
eng.addpath(s, nargout=0)
Hope it helps!
  1 件のコメント
Stefanie Schwarz
Stefanie Schwarz 2023 年 7 月 19 日
編集済み: Stefanie Schwarz 2023 年 7 月 19 日
To add the paths to the MATLAB path permanently (so it is loaded automatically for every MATLAB session), make sure to run this in MATLAB:
addpath(genpath('myOuterFolder'));
savepath

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