An adaptive sampling augmented Lagrangian method for stochastic optimization with deterministic constraints

R Bollapragada, C Karamanli, B Keith… - … & Mathematics with …, 2023 - Elsevier
The primary goal of this paper is to provide an efficient solution algorithm based on the
augmented Lagrangian framework for optimization problems with a stochastic objective …

Simulation model calibration with dynamic stratification and adaptive sampling

P Jain, S Shashaani, E Byon - Journal of Simulation, 2024 - Taylor & Francis
Calibrating simulation models that take large quantities of multi-dimensional data as input is
a hard simulation optimization problem. Existing adaptive sampling strategies offer a …

Robust Simulation Optimization with Stratification

P Jain, E Byon, S Shashaani - 2022 Winter Simulation …, 2022 - ieeexplore.ieee.org
Stratification has been widely used as a variance reduction technique when estimating a
simulation output, whereby the input variates are generated following a stratified sampling …

Dynamic Stratification and Post-Stratified Adaptive Sampling for Simulation Optimization

P Jain, S Shashaani - 2023 Winter Simulation Conference …, 2023 - ieeexplore.ieee.org
Post-stratification is a variance reduction technique that groups samples in respective strata
only after collecting the samples randomly. We incorporate this technique within an adaptive …