Why does my library built with Application Compiler crash due to undefined function 'pathdef'?

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Morris Maynard
Morris Maynard 2018-4-30
回答： Sindhu Yerragunta 2018-5-3
I am building a .Net class library dll which wraps some Matlab functions in .m files. The build completes and the .dll is produced. I can reference the DLL in a .Net project, but when the project runs, I see these errors in the debugger:
%
'Example1.exe' (CLR v4.0.30319: Example1.exe):
Loaded 'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\MWArray\v4.0_2.17.1.0__e1d84a0da19db86f\MWArray.dll'.
Undefined function or variable 'pathdef'.
Error in startup (line 1)
Exception thrown: 'System.ApplicationException' in MWArray.dll
Exception thrown: 'System.Exception' in MWArray.dll
and the class doesn't load. My scripts do not call pathdef. What is wrong?

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回答（1 个）

Sindhu Yerragunta
Hi Morris,
Try executing the following commands from MATLAB command prompt,
restoredefaultpath % This will remove any custom paths
rehash toolboxcache
savepath
and refer the following link for more information regarding the same error,
https://www.mathworks.com/matlabcentral/answers/96005-why-do-i-get-the-error-undefined-function-or-variable
Hope this helps.
- Sindhu

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