From: Harry Kakueki <list.push@...>
Date: 2007-07-12T18:11:16+09:00
Subject: Re: Stripping columns / puts'ing columns

> Does this do what you want?
>
> arr = [[1,7,3,4],[5,6,7,8],[9,7,3,4]]
> new_arr = arr.transpose
>
> p new_arr.select {|x| x.include?(7)}
>
The rows need to have the same number of elements.

Harry

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