From: Paul Smith <paul@...>
Date: 2009-10-14T05:52:09+09:00
Subject: Re: how to solve a special JRuby and Java syntax conflict?

On Tue, Oct 13, 2009 at 8:52 PM, Axel Etzold <AEtzold@gmx.de> wrote:
> Dear all,
>
> I am trying to use a Java class in JRuby from an external Java
> library. This runs all very nicely, yet at some point,
> I have to define a matrix. In the Java library, this is
> supposed to be done using this syntax:
>
> double[][] a = { { 1.1, 1.2, 1.3, 1.4 }, { 2.1, 2.2, 2.3, 2.4 }, { 3.1, 3.2, 3.3, 3.4 } };
>

a = [[1.1, 1.2, 1.3, 1.4], [2.1, 2.2, 2.3, 2.4], [3.1, 3.2, 3.3, 3.4]]

?

> There does not seem to be another way of populating a matrix, however
> using curly braces in JRuby mistakes "a" for a Hash.
>
> Is there a workaround for this problem ?
>
> Thank you very much !
>
> Best regards,
>
> Axel
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>



-- 
Paul Smith
http://www.nomadicfun.co.uk

paul@pollyandpaul.co.uk