Singular Value Decomposition and Latent Semantic Indexing 奇异值分解和潜在语义搜索

这个tutorial 非常好，深入浅出，易于理解，mark

http://www.miislita.com/information-retrieval-tutorial/matrix-tutorial-1-stochastic-matrices.html
http://www.miislita.com/information-retrieval-tutorial/matrix-tutorial-2-matrix-operations.html
http://www.miislita.com/information-retrieval-tutorial/matrix-tutorial-3-eigenvalues-eigenvectors.html
http://www.miislita.com/information-retrieval-tutorial/svd-lsi-tutorial-1-understanding.html
http://www.miislita.com/information-retrieval-tutorial/svd-lsi-tutorial-2-computing-singular-values.html
http://www.miislita.com/information-retrieval-tutorial/svd-lsi-tutorial-3-full-svd.html
http://www.miislita.com/information-retrieval-tutorial/svd-lsi-tutorial-4-lsi-how-to-calculations.html
http://www.miislita.com/information-retrieval-tutorial/svd-lsi-tutorial-5-lsi-keyword-research-co-occurrence.html