From: "Paul A." <cyril.staff@...>
Date: 2011-05-09T15:37:33+09:00
Subject: Re: Index to coordinates conversion, according the matrix shape

Hashmal wrote in post #997453:
> This is a perfect case for modulo (%). It gives the remainder of a
> division.
>
>      def index_to_coordinates arr_size, index
>        x = index % arr_size[0]
>        y = (index - x) / arr_size[0]
>        return x, y
>      end
>
>      coordinates [3, 3], 3 # => [0, 1]
>

Waw, thanks. But... is this okay with matrix of more then 2 dimensions?
:)

Such as this one:

  NArray.object(2,3,2):
  [ [ [ nil, nil ],
      [ nil, nil ],
      [ nil, nil ] ],
    [ [ nil, nil ],
      [ nil, nil ],
      [ nil, nil ] ] ]

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