Journal article
Constructing a subgradient from directional derivatives for functions of two variables
Abstract
For any scalar-valued bivariate function that is locally Lipschitz continuous
and directionally differentiable, it is shown that a subgradient may always be
Authors
Yuan Y; Khan KA
Journal
Journal of Nonsmooth Analysis and Optimization, Vol. Volume 1, No. Original research articles,
Publisher
Centre pour la Communication Scientifique Directe (CCSD)
DOI
10.46298/jnsao-2020-6061
ISSN
2700-7448