how to replace all nonzero elements with a one in matlab

To replace all non-zero elements with a one in a matrix or array in MATLAB, you can use logical indexing in combination with the assignment operator.

Here's an example code snippet:

main.m
% create a sample matrix
A = [0 1 2; 3 0 4; 0 5 6];

% use logical indexing to set non-zero elements to one
A(A ~= 0) = 1;

% display the modified matrix
disp(A);
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In this code, we create a sample matrix A. We then use logical indexing (A != 0) to select all non-zero elements of the matrix, and set them to 1 using the assignment operator (=). Finally, we display the modified matrix using the disp command.

The resulting output will be:

main.m
     0     1     1
     1     0     1
     0     1     1
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