Create two-dimensional arrays and access sub-arrays in Ruby

Question

I wonder if there\'s a possibility to create a two dimensional array and to quickly access any horizontal or vertical sub array in it?

I believe we can access a hor

Answer 1

Here's a 3D array case

class Array3D
   def initialize(d1,d2,d3)
    @data = Array.new(d1) { Array.new(d2) { Array.new(d3) } }
   end

  def [](x, y, z)
    @data[x][y][z]
  end

  def []=(x, y, z, value)
    @data[x][y][z] = value
  end
end

You can access subsections of each array just like any other Ruby array. @data[0..2][3..5][8..10] = 0 etc