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how to delete the diagonal elements of a matrix in MATLAB?

Date: 2023-04-01 11:28:19

To delete the diagonal elements of a matrix in MATLAB, you can use the following code: 

 

% Create a sample matrix
A = [1 2 3; 4 5 6; 7 8 9];

% Set the diagonal elements to zero
A(logical(eye(size(A)))) = 0;

% Display the modified matrix
disp(A);

The eye function creates an identity matrix with the same size as A, and the logical function converts it to a logical matrix. The logical matrix is then used to index into A and set the diagonal elements to zero. Finally, the modified matrix is displayed using the disp function.


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