Tracking failed integral2() inside a for loop

Question

Luqman Saleem 2024-3-2

0
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https://ww2.mathworks.cn/matlabcentral/answers/2089401-tracking-failed-integral2-inside-a-for-loop

评论： Luqman Saleem 2024-3-2

I'm running the integral2() function within a `parfor` loop. Occasionally, the integration fails during some iterations, and I receive a warning stating "Integration was unsuccessful" along with information about the error bound. I'm wondering if there's a way to track which iterations encounter this issue and what the corresponding error bounds are, all while still inside the `parfor` loop.

For example, I want something like the following:

integrations = zeros(1,10)
fail_flags = zeros(1,10); %0 for failed integrations, 1 for successful
error_bounds = zeros(1,10)'
parfor i = 1:10
    warning('off','all')
    
    [integration, fail_flag, error_bound] = integral2(fun,...);
        
    integrations(i) = integration;
    fail_flags(i) = fail_flag;
    error_bounds(i) = error_bound;
        
end