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Why do I get:"Undefined function or variable 'pathtool'."

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Ronald Ouwerkerk
Ronald Ouwerkerk 2018-1-24
评论： marco velayarce 2020-3-17
I moved from 2015b to 2017b and at startup a lot of directories in the path are not recognized. Some of them I did not even know I had in the path :
/Applications/MATLAB_R2017b.app/toolbox/matlab/external/engines/python Warning: Name is nonexistent or not a directory:
I guess the default matlab home directory is no longer in /Users/mysuername/Documents/matlab. When I try to fix this by clicking on 'Set Path' in the 'HOME' tab of the main Matlab window the response is and error message "Undefined function or variable 'pathtool'."

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Jan
Jan 2018-1-25
编辑：Jan 2018-1-25
Something went wrong. If even the built-in pathtool cannot be found, the installation of R2017b failed. A re-installation is the first idea. The command restoredefaultpath might help also, but this should run after the installation already.
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