From: Paul Smith <paul@...>
Date: 2009-10-14T05:56:37+09:00
Subject: Re: how to solve a special JRuby and Java syntax conflict?

On Tue, Oct 13, 2009 at 9:52 PM, Paul Smith <paul@pollyandpaul.co.uk> wrote:
> 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]]
>
> ?

Sorry, I just realised I haven't got a clue what I'm talking about
when it comes to JRuby.  However, the [[],[]] notation is how to
describe an array of arrays in Ruby, which is what a matrix
essentially is.

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

paul@pollyandpaul.co.uk