display array inside array in a table (view)

Question

How can I display an array of array in a table (view) ?

matrix = Array.new(rows){Array.new(cols){0}}

like that:

0 0 0 0
0 0 0 0
0 0 0 0

Answer 1

matrix = Array.new(3){Array.new(4){0}}

puts matrix.map {|x| x.join(' ')}

0 0 0 0
0 0 0 0
0 0 0 0