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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: Can someone help to Implement the SVD?
Date Tue, 09 Jun 2009 11:34:41 GMT
FYI, I tested the jacobi eigenvalue algorithm using Java --
http://blog.udanax.org/2009/06/jacobi-eigenvalue-algorithm.html

Do you think this can be ported to map/reduce model?

On Mon, Jun 8, 2009 at 10:14 AM, Edward J. Yoon<edwardyoon@apache.org> wrote:
> There is a 'rectangular' diagonal matrix, but 'Yes' in this case.
>
> FYI, I'm thinking the jacobi method to finding the eigenvalues and eigenvectors.
>
> On Mon, Jun 8, 2009 at 10:00 AM, Samuel Guo<guosijie@gmail.com> wrote:
>> Should matrix A be a square-matrix?
>>
>> On Thu, Jun 4, 2009 at 4:26 PM, Edward J. Yoon <edwardyoon@apache.org>wrote:
>>
>>> Hi,
>>>
>>> There is a simple sub-task.
>>> https://issues.apache.org/jira/browse/HAMA-184
>>>
>>> Here's the pseudo code, should be ported to map/reduce model.
>>>
>>> //finds the diagonal elements of matrix A and puts them into matrix B
>>>
>>> for (int i = 0; i < n; i++) {
>>>
>>>  B[i][i] = A[i][i];
>>>
>>> }
>>>
>>>
>>> --
>>> Best Regards, Edward J. Yoon @ NHN, corp.
>>> edwardyoon@apache.org
>>> http://blog.udanax.org
>>>
>>
>
>
>
> --
> Best Regards, Edward J. Yoon @ NHN, corp.
> edwardyoon@apache.org
> http://blog.udanax.org
>



-- 
Best Regards, Edward J. Yoon @ NHN, corp.
edwardyoon@apache.org
http://blog.udanax.org

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