Articles with "nonnegative sparsity" as a keyword



Photo from wikipedia

A Gradient Projection Algorithm with a New Stepsize for Nonnegative Sparsity-Constrained Optimization

Sign Up to like & get
recommendations!
Published in 2020 at "Mathematical Problems in Engineering"

DOI: 10.1155/2020/6489190

Abstract: Nonnegative sparsity-constrained optimization problem arises in many fields, such as the linear compressing sensing problem and the regularized logistic regression cost function. In this paper, we introduce a new stepsize rule and establish a gradient… read more here.

Keywords: projection algorithm; nonnegative sparsity; new stepsize; gradient projection ... See more keywords