path and user preferences not saved between Matlab sessions

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Jason 2018-1-29

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https://ww2.mathworks.cn/matlabcentral/answers/379502-path-and-user-preferences-not-saved-between-matlab-sessions

评论： Jan 2018-1-31

I run Matlab on Mac by directly calling the binary in this location:

/Applications/MATLAB_R2017b.app/bin/matlab

Unfortunately Matlab is not saving my path settings in between sessions even when I type "savepath". It also does not seem to save my user settings in the Preferences window. It seems like I have two pathdef files and Matlab might be editing the wrong one? How do I fix this? Another explanation is that Matlab is resetting my path file every time I close the program and call a new instance of Matlab.

>> which pathdef -all

/Users/stockmann/Documents/MATLAB/pathdef.m

/Applications/MATLAB_R2017b.app/toolbox/local/pathdef.m % Shadowed

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Jason 2018-1-29

编辑：Jason 2018-1-29

Thank you for your reply. I'm running Matlab locally on my Mac. And yes, I have write access to the preferences folder prefdir. When I run savepath, it returns a 0 "file saved successfully".

Jan 2018-1-31

@Jason: If savepath runs successfully, it has written the changes to /Users/stockmann/Documents/MATLAB/pathdef.m - please check this manually. Now the changes here are not applied, when you restart Matlab - correct? Then Matlab prefers "/Applications/MATLAB_R2017b.app/toolbox/local/pathdef.m" at startup instead of the user defined version. Then the actual problem is the startup folder of Matlab.

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