Abstract: In this brief, a new discrete-time implementation is proposed for the super-twisting control with a semi-implicit Euler method. In contrast to the conventional realization methods, the ...

You probably don’t need more time. By Jancee Dunn When I look back on all the major decisions I’ve dithered over, I could scream. It took me a decade to commit to becoming a parent. I wavered for a ...

Contributed by Thomas Y. Hou; received January 13, 2025; accepted May 20, 2025; reviewed by Russel E. Caflisch, Javier Gómez-Serrano, Vladimir Sverak, and Terence C. Tao This contribution is part of ...

Having spent 30+ years in residential construction, contracting, remodeling, maintenance and home repair, Deane now contributes DIY, informational and financial content as a freelance writer and ...

Analyst Insight: Every day, companies create request for proposals (RFPs) as a way to select potential suppliers. The RFP process has become such a mainstay in sourcing that a whole ecosystem of ...

Are you struggling to find effective solutions to problems you face in your professional or entrepreneurial ventures? Are you often indecisive when faced with complex decisions? The ability to solve ...

“One of the best parts about using the scientific method as a guide is that it moves us beyond the endless debates about whether journalism is ‘fair’ or ‘objective.’ Rather than focus on fairness, ...

In this paper, we consider the initial-boundary value problem of two-dimensional first-order linear hyperbolic equation with variable coefficients. By using the upwind difference method to discretize ...