Trust-Region Algorithm for Nonnegative Matrix Factorization with Alpha- and Beta-divergences.

Published in: DAGM/OAGM Symposium (2012)

Keyphrases

nonnegative matrix factorization
trust region
levenberg marquardt
search space
learning algorithm
optimization algorithm
least squares
text mining
simulated annealing
k means
matrix factorization
optimal solution
newton method
data points
global optimum
objective function
data sets