MATLAB: How to add zeros above the numbers I created with this code

Question

rows = 10;
for ii = 1 : rows
    for jj = 1 : ii
        b = jj;        
        if ii <= jj
           fprintf('%d \n',b)
        else 
           fprintf('%d ',b)
        end
    end  
end
Result = 
1 
1 2 
1 2 3 
1 2 3 4 
1 2 3 4 5 
1 2 3 4 5 6 
1 2 3 4 5 6 7 
1 2 3 4 5 6 7 8 
1 2 3 4 5 6 7 8 9 
1 2 3 4 5 6 7 8 9 10

Answer 1

Try this:

rows=10;
for i=1:rows
    fprintf('%d ',[1:i zeros(1,rows-1)]);
    fprintf('\n');
end