'format compact' => less syntax self assess: C) 13x4 E) vertcat; different columns ### julia notes: built-in types seem to default to just an array instead of, eg, 3x1 or 1x3. can transform with "'"; A'' != A? to vert/horiz cat, need to explicitly julia> size([1,2,3]) (3,) julia> size([1,2,3]') (1,3) julia> size([1,2,3]'') (3,1)