A regularized Newton method for degenerate unconstrained optimization problems.

Chungen Shen Xiongda Chen Yumei Liang

Published in: Optim. Lett. (2012)

Keyphrases

newton method
regularized least squares
optimality conditions
convergence analysis
nonlinear programming
sparse representation
constrained optimization problems
variational inequalities
least squares
lower level
quadratic programming
sample size
objective function
linear programming
model selection
fixed point