Abstract: Nonlinear media are the building blocks for nonlinear optical devices. The parameter retrieval of nonlinear media is an important problem for nonlinear optics. However, the maturity and ...

For decades, the Golden State Killer avoided capture despite leaving DNA at multiple crime scenes. Traditional databases failed, fingerprints led nowhere, and the case went cold. Everything changed ...

Carnegie Mellon University's campus in Oakland on June 4, 2025. A new effort built from decades of research at Carnegie Mellon University aims to help college students nationwide master gateway ...

Real-world optimization problems often require an external “modeling engine” that computes fitnesses or data that are then input to an objective function. These programs often have much longer ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

Neuroscience examines the structure and function of the human brain and nervous system. Neuroscientists use cellular and molecular biology, anatomy and physiology, human behavior and cognition, and ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Natalya Yashina is a CPA, DASM with over 12 years of experience in ...

I've never been convinced that a cold-turkey approach is best for reducing our dependence on phones. Sure, ditching all social media apps, only picking up your phone when you need it, and switching to ...

Abstract: This paper explores the fault estimation (FE) problem in spatial-temporal parabolic distributed parameter systems (PDPS). Firstly, a nonlinear iterative learning observer (NILO) is designed ...