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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: Can someone help to Implement the SVD?
Date Thu, 18 Jun 2009 12:16:13 GMT
Hi, How is progress going?

On Thu, Jun 11, 2009 at 4:34 PM, Edward J. Yoon<edwardyoon@apache.org> wrote:
> 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
>



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

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