A simple linear algebraic explanation of the algorithm in"A Spectral Algorithm for Learning Hidden Markov Models"(COLT 2009). Most of the content is in Figure 2; the text just makes everything precise in four nearly-trivial claims.
A simple linear algebraic explanation of the algorithm in"A Spectral Algorithm for Learning Hidden Markov Models"(COLT 2009). Most of the content is in Figure 2; the text just makes everything precise in four nearly-trivial claims.