2 papers
cs.LG2026
XGBoost Forecasting of NEPSE Index Log Returns with Walk Forward Validation
Sahaj Raj Malla, Shreeyash Kayastha, Rumi Suwal +2
This study develops a robust machine learning framework for one-step-ahead forecasting of daily log-returns in the Nepal Stock Exchange (NEPSE) Index using the XGBoost regressor. A…
physics.optics2025
2D Addressable Mid-infrared Metasurface Spatial Light Modulator
Cosmin-Constantin Popescu, Maarten Robbert Anton Peters, Oleg Maksimov +12
Active metasurfaces enable dynamic control of light for applications in beam steering, pixelated holography, and adaptive optics, but demonstrations of two-dimensional (2D) electri…