Abstract: Nonconvex finite-sum optimization finds wide applications in various signal processing and machine learning tasks. The well-known stochastic gradient algorithms generate unbiased stochastic ...

To assess the level of fundamental movement skills (FMS) among children aged 6–10 years in Macau and to examine the associations between parental support for physical activity and children's FMS.

Abstract: A fast gradient-descent (FGD) method is proposed for far-field pattern synthesis of large antenna arrays. Compared with conventional gradient-descent (GD) methods for pattern synthesis where ...

This repository contains the core recommendation system powering the "For You" feed on X. It combines in-network content (from accounts you follow) with out-of-network content (discovered through ...

A cross-sectional survey was conducted from July to December 2025, selecting 436 aged patients recovering from their first cerebral infarction in the neurology department of a top-tier hospital in ...