Richard Feynman once beat an abacus champion at cube roots using nothing but mental approximation. His trick reveals why ...

Gordon Scott has been an active investor and technical analyst for 20+ years. He is a Chartered Market Technician (CMT). Investopedia / Julie Bang Dollar duration measures how much a bond’s price will ...

Proper handling of continuous variables is crucial in healthcare research, for example, within regression modelling for descriptive, explanatory, or predictive purposes. However, inadequate methods ...

Abstract: In this letter we present Hybrid iterative Linear Quadratic Estimation (HiLQE), an optimization based offline state estimation algorithm for hybrid dynamical systems. We utilize the ...

Many strongly correlated electronic systems, such as cuprates, pnictides, and moire materials, display a mysterious strange metal phase above the superconducting critical temperature. This strange ...

Abstract: This paper introduces an Outer Approximation (OA) method for solving discrete AC Optimal Power Flow (OPF) problems that account for switching decisions. The OPF problem is formulated via the ...

Institute of Theoretical Physics, Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warsaw, Poland ...