What about the MoorePenrose inverse?
http://en.wikipedia.org/wiki/MoorePenrose_pseudoinverse
The pseudoinverse coincides with the regular inverse when the matrix
is nonsingular. Moreover, it can be computed using the SVD.
Here's a patch for a MapReduce version of the SVD:
https://issues.apache.org/jira/browse/MAHOUT180
Ganesh
On Tue, Feb 2, 2010 at 10:11 PM, <aa225@buffalo.edu> wrote:
> Hello People,
> My name is Abhishek Agrawal. For the last few days I have been trying
> to figure out how to calculate the inverse of a matrix using Map Reduce. Matrix
> inversion has 2 common approaches. Gaussian Jordan and the cofactor of transpose
> method. But both of them dont seem to be suited too well for Map Reduce.
> Gaussian Jordan involves blocking co factoring a matrix requires repeated
> calculation of determinant.
>
> Can some one give me any pointers so as to how to solve this problem ?
>
> Best Regards from Buffalo
>
> Abhishek Agrawal
>
> SUNY Buffalo
> (7164357122)
>
>
>
>
