design a function that runs a every digit from a matrox in matlab

main.m
function display_digits(matrix)
% This function loops through each element of the matrix, extracts each digit 
% from the element and displays it.

    % Loop through each row of the matrix
    for i = 1:size(matrix, 1)
        
        % Loop through each column of the matrix
        for j = 1:size(matrix, 2)
            
            % Extract the element from the matrix
            curr_element = matrix(i,j);
            
            % Convert the element to a string
            element_str = num2str(curr_element);
            
            % Loop through each character in the string
            for k = 1:length(element_str)
                
                % Display the digit
                curr_digit = str2num(element_str(k));
                disp(curr_digit);
                
            end
            
        end
        
    end
    
end
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main.m
my_matrix = [123, 456; 789, 432];
display_digits(my_matrix);
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