How can I replace values in a Matrix?

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Muhammed Ali 2023-2-27

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评论： Stephen23 2023-2-27

Hello Folks,

i have this following problem: I want to replace all values in a Matrix, which arent in the diagonal with the number 1.

Can someone give me a solution?

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Stephen23 2023-2-27

That sounds like homework. What have you tried so far?

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Nikhilesh 2023-2-27

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% Define example matrix
A = [1 2 3; 4 5 6; 7 8 9];
% Get dimensions of matrix
[nrows, ncols] = size(A);
% Replace non-diagonal values with 1
for i = 1:nrows
    for j = 1:ncols
        if i ~= j
            A(i,j) = 1;
        end
    end
end

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MATLAB Language Fundamentals Matrices and Arrays Operating on Diagonal Matrices

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