Problem is using system command

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Aep
Aep 2021-4-23
编辑： Walter Roberson 2021-4-23
Hello all,
I am running MATLAB 2019b in ubuntu. I have a command line that I can successfully run in my ubuntu terminal. I want to use the System command of MATLAB to run the same command inside MATLAB instead of terminal. When I do this, my program starts running, however, after a few seconds I receive this error:
/usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0: undefined symbol: XML_SetHashSalt
This is weird because this error does not show up when I run the code in the terminal. Can someone help to find out what the problem is?
Thanks in advance

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Aep
Aep 2021-4-23
编辑：Walter Roberson 2021-4-23
I could solve the problem with adding the "export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libexpat.so" command to my system command as below:
[a,b]=system('export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libexpat.so;MY OTHER TERMINAL COMMANDS')

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