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Posted to mapreduce-user@hadoop.apache.org by Fang Xin <nu...@gmail.com> on 2012/03/30 20:06:13 UTC

(Unknown)

Hi All,

Just move from Matlab to Hadoop, can anyone kindly give me advise on
how to deal with matrix?

maybe a starting point will be to calculate some stats for each
column. what could a mapper and reducer contain?

regards

Xin

Re:

Posted by chao yin <ps...@gmail.com>.

This link http://www.norstad.org/matrix-multiply/index.html maybe helpful。

在 2012年3月31日 上午2:06，Fang Xin <nu...@gmail.com>写道：

> Hi All,
>
> Just move from Matlab to Hadoop, can anyone kindly give me advise on
> how to deal with matrix?
>
> maybe a starting point will be to calculate some stats for each
> column. what could a mapper and reducer contain?
>
> regards
>
> Xin
>



-- 
Best regards,
英超