How to display the current result when the program is forced to abort?
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How to display the current result when the program is forced to abort? When I use "ctrl+c" to abort the running of program, it doesnot show any result.
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Chandler Hall
am 13 Nov. 2022
Are you trying to inspect the data for the purpose of debugging? Consider setting a conditional breakpoint which will allow you to pause execution when a loop variable reaches a particular value, for example.
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Star Strider
am 13 Nov. 2022
One option would be to save the intermediate results to a .mat file. It might be necessary to re-write it in each iteration of a loop, or using the procedure described in Append Variable to MAT-File to save different variables in different parts of the script, however it should be available to load and examine later even if the running script is stopped.
2 Kommentare
Star Strider
am 14 Nov. 2022
In that situation, I would recommend saving the intermediate results to a .mat file, and appending the appropriate variables as they are created. Then load the .mat file later to see what it contains.
Walter Roberson
am 14 Nov. 2022
There is no way to catch a control-c to be able to perform action such as saving current values of variables.
If you are executing within the high performance mathematical libraries, such as calculation of eigenvalues of large arrays, then control-c cannot interrupt until the library routine returns to matlab. In such cases there are no accessible intermediate variables for those routines.
You can use parfeval() to start non-graphics code in a different process or thread. In such cases you can cancel() the worker after a particular time. However, intermediate variables are not communicated back when you do that.
There is a way to examine variables in a running worker, but I am having trouble finding the relevant information.
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