A Simple Explanation of A Spectral Algorithm for Learning Hidden Markov Models

04/11/2012 ∙ by Matthew James Johnson, et al. ∙ 0

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.

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