1 citations · 1 across the 4 of their papers we have counts for
Showing 2020Show all
2 papers · 1 filter
math.OC2020★ 1 cited
SONIA: A Symmetric Blockwise Truncated Optimization Algorithm
Majid Jahani, Mohammadreza Nazari, Rachael Tappenden +2
This work presents a new algorithm for empirical risk minimization. The algorithm bridges the gap between first- and second-order methods by computing a search direction that uses…
math.OC2020
Gradient and Hessian approximations in Derivative Free Optimization
Ian D. Coope, Rachael Tappenden
This work investigates finite differences and the use of interpolation models to obtain approximations to the first and second derivatives of a function. Here, it is shown that if…