Error in MatLab's own routine.

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Gavin
Gavin 2024-9-19
评论： Steven Lord 2024-9-23
How can I possibly fix this?
Warning: The following error was caught while executing 'onCleanup' class
destructor:
Brace indexing is not supported for variables of this type.
Error in cell2mat (line 36)
if isnumeric(c{1}) || ischar(c{1}) || islogical(c{1}) || isstruct(c{1})
Error in onCleanup/delete (line 25)
obj.task();
No error was generated in the App Designer window, just the main command window. No reference to my code. I don't use cells if I can help it and wouldn't convert one to a matrix.
Time to upgrade to 2024b?
Hmmm it doesn't replicate when I run my program again.
  1 个评论
Jatin
Jatin 2024-9-19
Hi @Gavin,
Could you provide your code or the steps to reproduce the issue so that the community can come up with a solution.

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采纳的回答

Gavin
Gavin 2024-9-23
Confusion between {} () and [] and when to use commas between elements and if they need quotation marks or not and if so ' ' or " ".
MATLAB is compicated and picky and doesn't always throw good error messages; but eventually it makes sense and this forum is a great place to get help. But ask Google first, there may be an answer. MATLAB's own search will give you a bunch of complex and irrelevant answers to simple questions.
I'm answering this so it isn't left hanging. I hope this helps some noobies.
  1 个评论
Steven Lord
Steven Lord 2024-9-23
Can you show us the call to the onCleanup function in your code? I'm guessing this error occurred when MATLAB was exiting a callback function, and if so please show us that onCleanup call (or those onCleanup calls) and what the classes and sizes were of the data used in the expressions used in the call(s).

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