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Replacing part of an array with another

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L'O.G.
L'O.G. 2022-11-8
编辑： KSSV 2022-11-8
How do I replace the diagonal of one 2d array with the diagonal of another? The arrays have the same size.

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KSSV
KSSV 2022-11-8
编辑：KSSV 2022-11-8
A = rand(4) ;
B = rand(4) ;
n = size(A,1);
A(1:(n+1):end) = diag(B) ; % repalce diagonal elements of A with diagonal elements of B

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