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Convergence of a Fast Hierarchical Alternating Least Squares Algorithm for Nonnegative Matrix Factorization.
Liangshao Hou
Delin Chu
Li-Zhi Liao
Published in:
IEEE Trans. Knowl. Data Eng. (2024)
Keyphrases
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nonnegative matrix factorization
alternating least squares
learning algorithm
convergence rate
iterative algorithms
negative matrix factorization
k means
matrix factorization
objective function
expectation maximization
machine learning
multiscale
data analysis
spectral clustering