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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: Singular vectors of a recommendation Item-Item space
Date Thu, 01 Sep 2011 03:28:51 GMT
This is a very good point that seems very likely to be the source of the
confusion.

On Wed, Aug 31, 2011 at 6:06 PM, Dmitriy Lyubimov <dlieu.7@gmail.com> wrote:

> Perhaps confusion may be stemming from the fact that inverse equal
> transpose if matrices are orthogonal (or even orthonormal), so
> sometimes Q^{-1}\equiv{Q}'
>

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