From: Harry Kakueki <list.push@...>
Date: 2008-08-05T12:09:41+09:00
Subject: Re: Matrix class: How to set a single element ?

On Tue, Aug 5, 2008 at 10:18 AM, Marcio Braga <mbraga0001@gmail.com> wrote:
> simple code:
>
> require 'matrix'
> m1 = Matrix[[1,2],[3,4]]
>
> Now I need to change element (0,0) from 1 to 5. I expected something
> like the command below should work:
>
> m1[0][0] = 5
>
> ... but the error message is '[]': wrong number of arguments (1 for 2)
> (ArgumentError).
>
> Could someone help me on that ?
> Thank you
> Marcio
> --
> Posted via http://www.ruby-forum.com/.
>
>

http://www.ruby-lang.org/ja/man/html/Matrix.html#Matrix.23.5b.5d.3d

Harry

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