6. (20 pts) By hand (pencil and paper) write what will be displayed upon the execution of the following Matlab program. nrows = 3; ncols = 2; A = ones (nrows, ncols); for c = 1:ncols for r = 1:nrows 1 if r == c A(r, c) = 2; elseif abs (r-c) A (r,c) -1; else A(r, c) = 0; end end end