The Fermat-Torricelli Problem, Part I: A Discrete Gradient-Method Approach.

Yaakov S. Kupitz Horst Martini Margarita Spirova

Published in: J. Optim. Theory Appl. (2013)

Keyphrases

gradient method
convergence rate
step size
negative matrix factorization
optimization methods
data sets
convex formulation
matrix factorization
machine learning
image processing
face recognition
pattern recognition
object recognition
cost function
nearest neighbor
low dimensional