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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: Can someone help to Implement the SVD?
Date Thu, 11 Jun 2009 07:34:11 GMT
Thanks, It will be really valuable contribution.

If you have some question, pls let me know.

On Thu, Jun 11, 2009 at 9:59 AM, Samuel Guo<guosijie@gmail.com> wrote:
> hmm, I will check it and port this algorithm to m/r. :)
>
> On Tue, Jun 9, 2009 at 7:34 PM, Edward J. Yoon <edwardyoon@apache.org>wrote:
>
>> 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
>>
>



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

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