From: Michael Guterl <mguterl@...>
Date: 2008-11-01T09:29:59+09:00
Subject: Re: n-dimensional array in Ruby

On Fri, Oct 31, 2008 at 8:09 PM, Christian <stadeschuldt@googlemail.com> wrote:
> Hi,
>
> i have a little Java problem, I want to solve using Ruby. Therefor I
> need an n-dimensional array. In Java it looks like this:
>
> double dArray[][][] = new double[x.length()+1][y.length()+1][x.length()
> +y.length()+3];
> dArray[0][0][0] = 0;
> dArray[0][0][1] = POSITIVE_INFINITY;
>
> Further values will be computed through loops and written into the
> array.
>
> How do I initialize such an array in Ruby?
>
Infinity = 1.0/0

a = [[],[],[]]
a[0][0][0] = 0
a[0][0][1] = Infinity

The arrays will grow to whatever size you need them to.

HTH,
Michael Guterl