Oh right. It's the columns that are orthogonal. Cancel that. But how does this let you get a row of Uk out of a new row in Ak? Uk != Uk * Uk' * Ak
Forgetting Sk, Uk = Ak * Vk, and I miss how these are equivalent so I misunderstand the intent of the expression. On Sun, Sep 16, 2012 at 8:55 PM, Ted Dunning <[email protected]> wrote: > U_k ' U_k = I > > U_k U_k ' != I
