Matlab App freezing unexplicably

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JeanN
JeanN 2020-8-12
回答： PADMAKAR 2021-10-12
I have inherited the maintanenance of a Matlab app (done with 2019b) from a person who has in the meantime left the company.
It is a rather simple app that takes in some user input data, does some calculations, produces a couple of plots and statistics in different tabs.
Unfortunately the app freezes after running its calculations and showing the plots and I do not get any error message.
More details on the behaviour:
  1. When I put a breakpoint in the 'code view' of the *.mlapp file, and repeatedly run every line with F10, I manage to run through the whole app until the end, without any problems. The GUI is responsive, I click on the different fields.
  2. However, when I run the app by right clicking the *.mlapp file and selecting "Run", the app opens, does the calculations and produces the result. However, it also freezes after that, I cannot click anywhere or change any field. The 'Tab' components are all grayed out and I cannot switch between them.
I would appreciate any help, I am fairly new to Matlab and I don't know how to even start debugging this behaviour. (In particular since everything works fine if I do run the debugger on it, line by line)
Thanks

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回答（2 个）

Victor R
Victor R 2021-4-20
I am having the same issue on 2021a, not sure if this will provide visibility to this question...
PADMAKAR
PADMAKAR 2021-10-12
I am having the same issue with Matlab App Designer Window Freezing. It was working OK till the lines of code increased and now I have to close the GUI to be able to stop the run and remove the breakpoints.
Matlab R2021a

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