Why is R2020a slow to return errors?
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When I switched to R2020a (Windows), I noticed that a simple error at the command line takes about 20 seconds to resolve,
% Simple mistyping of command "min" cause Matlab to hang for 20 seconds
Unrecognized function or variable 'muin'.
% Nonsense command causes similar hang time
Unrecognized function or variable 'asdfasdfkkasdfasdf'.
Any suggestions of how to eliminate this? I am curious which internal process is hanging.
Steven Lord on 11 Aug 2020
Do you have any network directories on your MATLAB path? If MATLAB has to search those network directories to determine if there's a potential match to suggest as a correction (the "Did you mean" functionality) that could slow the error process down.
Try temporarily removing those directories from the MATLAB path and check if the problem is resolved.