Abstract: As an indoor positioning method, pedestrian dead reckoning (PDR) is crucial for positioning and navigation in environments where satellite signals are blocked, such as shopping malls, ...

Abstract: Longitudinal analyses are increasingly used in clinical studies as they allow the study of subtle changes over time within the same subjects. In most of these studies, it is necessary to ...

Learn how to implement a classic substitution cipher in C! This step-by-step tutorial walks you through encoding and decoding messages by replacing each letter with another according to a fixed key. A ...