Signal processing toolbox license error when accessing MATLAB from Python.

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Upendra R
Upendra R 2021-1-22
回答： Udit06 2024-2-19
I'm using MATLAB 2019b, Python 3.7.9 on Windows 10. In my python code, I have the below lines
import matlab
import matlab.engine
mat_eng = matlab.engine.start_matlab()
print(mat_eng.license('test','Signal_Toolbox'))
This always prints 1. However, when I try to access a signal processing toolbox function like resample, I see a license checkout error as below:
License checkout failed.
License Manager Error 0
Troubleshoot this issue by visiting:
https://www.mathworks.com/support/lme/R2019b/0
Diagnostic Information:
Feature: Signal_Toolbox
...
I'm able to use the resampler from MATLB directly. How do I solve this error?

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回答（1 个）

Udit06
Udit06 2024-2-19
Hi Upendra,
You can refer to the following MATLAB answer which handles a similar issue that you are facing.
https://www.mathworks.com/matlabcentral/answers/1665214-signal-toolbox-licenses-error-while-using-matlab-engine-for-python?s_tid=answers_rc1-2_p2_MLT
I hope this helps.

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