2 papers
math.OC2023
LineWalker: Line Search for Black Box Derivative-Free Optimization and Surrogate Model Construction
Dimitri J. Papageorgiou, Jan Kronqvist, Krishnan Kumaran
This paper describes a simple, but effective sampling method for optimizing and learning a discrete approximation (or surrogate) of a multi-dimensional function along a one-dimensi…
cs.LG2018
Active Metric Learning for Supervised Classification
Krishnan Kumaran, Dimitri Papageorgiou, Yutong Chang +2
Clustering and classification critically rely on distance metrics that provide meaningful comparisons between data points. We present mixed-integer optimization approaches to find…