Unrecognized function or variable 'dudx'.

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Amir Hossein Ghezelbash 2022-3-10

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https://ww2.mathworks.cn/matlabcentral/answers/1668739-unrecognized-function-or-variable-dudx

评论： Jon 2022-3-10

Hello everyone.

I used to work with built-in function 'dudx' a couple of times, but yesterday when i started to work with it again ,i get an error for no reason and the error is : Unrecognized function or variable 'dudx'.

i tryed to clear all variables ,literally everything from workspace,functions and my files . but still it's not working.

thanks for any help :)

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Torsten 2022-3-10

Yes, but I think it's only a variable name, not a function.

Jon 2022-3-10

Yes it is just a local variable name in their example, not a function.

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采纳的回答

Jon 2022-3-10

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As far as I can tell, unless it is in a toolbox that I don't have there is no built in MATLAB function called dudx.

If you think you have a function that you or someone in your group has written with this name then you need to find out where the m file dudx.m is stored on your harddrive and use MATLAB's path function to set the path to that folder (or run in that folder).