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Functions from the search part are not detected despite correct listing

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walli
walli 2016-5-23
关闭： MATLAB Answer Bot 2021-8-20
Hi,
I'm experiencing the following problem when using Matlab R2012a regarding the search path definitions: When getting the search path information using "path" from the console after program start all relevant folders are listed correctly. Especially the folder "C:\Program Files\MATLAB\R2012a\toolbox\matlab\iofun" is listed which contains important functions to open m-files. Despite the correct entries inside the search path I can't open any m-file with Matlab - If I'm trying to open one I'm getting the error display
Undefinedfunction 'fileparts' for input arguments of type 'char'
I don't have any clue why that happens. The search path definition is correct and until today my Matlab version worked for months without any similar problem. Can somebody help?

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回答（1 个）

Star Strider
Star Strider 2016-5-23
My first approach for such problems is to run these functions:
restoredefaultpath
rehash toolboxcache
See the documentation for the functions to see what they do.

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