"Undefined function or variable" when the directory is correct, and function is there!?

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Jack Latham 2019-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/458699-undefined-function-or-variable-when-the-directory-is-correct-and-function-is-there

评论： Steven Lord 2021-10-11

I'm having a frustrating issue with MATLAB, I'm very often getting an error - "Undefined function or variable" when calling a function, even though the function is either in the current directory, or I've added it's path. If I edit the function name, and try and call it with this new name it works!

Any suggestions would be fab, I've tried a few similiar questions, but have yet to find a solution..

Thanks

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Walter Roberson 2021-10-11

do you have any documentation on aux being a special folder to matlab?

https://www.mathworks.com/help/matlab/matlab_env/what-is-the-matlab-search-path.html

I do not think that aux is special to matlab. I think that instead you are using MS Windows and are running into reserved file names for Windows

https://www.helpndoc.com/documentation/html/Windowsreservedfilenames.html

Steven Lord 2021-10-11

As of release R2019a we no longer allow folders named resources on the MATLAB path, and you will receive a warning if you try to add such a folder to the path. Perhaps we should issue a similar warning if you try to make such a directory the current directory. I've made a note to discuss this with the relevant development team in the morning.

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