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From Al Chou <>
Subject Re: [Math] SingularValueDecomposition test case
Date Sun, 02 Oct 2005 06:11:18 GMT
Never having used or even learned anything in detail about SVD, my only
suggestion is that equations 2.6.1 and 2.6.4 in are, as the text therein
says, the only defining requirements for the SVD of any matrix.  You could, as
the text says, verify that the calculated SVD is correct by making up any
matrix and checking whether the two above equations hold for the SVD you get
out of your code.


--- Kim van der Linde <> wrote:
> Hi All,
> In the past, I have plugged the JAMA SVD class to the matrix class of 
> commons.math. I do now want to run a test in it, so, the questio 
> becomes, does someone has a known test case for me?
> Cheers,
> Kim
> -- 

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