Get calculated output arguments when an error is thrown

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Yoad Pilosof
Yoad Pilosof 2023-2-21
回答： Walter Roberson 2023-2-21
Say I have the following function, that calculates the transpose and inverse of a matrix:
function [At, Ai] = TransposeAndInverse(A)
At = A.';
Ai = inv(A);
end
and I call it with the following argument:
A = [1,2,3;4,5,6];
[At, Ai] = TransposeAndInverse(A);
I get an error, since A is not invertible (as expected). However, inside the function, At was calculated successfully.
My question is - can I somehow extract the output arguments that were calculated before the error was thrown using a try catch statement? And if so, how?
Thanks

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采纳的回答

Walter Roberson
Walter Roberson 2023-2-21
No, the function would have to be designed to use try/catch itself. Once an error is thrown and the function has returned all of its internal variables are gone.

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