An alternating projected gradient algorithm for nonnegative matrix factorization.

Lu Lin Zhong-Yun Liu

Published in: Appl. Math. Comput. (2011)

Keyphrases

nonnegative matrix factorization
negative matrix factorization
learning algorithm
similarity measure
objective function
k means
projected gradient
linear programming
input data
convergence rate
machine learning
training data
feature vectors
information retrieval systems
matrix factorization