BBC

Solving simultaneous equations - using plums and peaches in China

Marcus du Sautoy uses combinations of peaches and plums and a set of scales, to show how simultaneous equations can be solved. This method didn’t appear in the West until the 19th century, but had ...
Investopedia

Maximizing Profitability with ROE and RNOA: A Deep Dive

Michael Schmidt, CFA, is a staff member of FINRA's Dispute Resolution Board with 20+ years of experience in the financial market. Andy Smith is a Certified Financial Planner (CFP®), licensed realtor ...
BBC

Premier League

Get the latest news, punditry, analysis, fan views, stats and gossip Tottenham sign Gallagher from Atletico for £35m The former Chelsea midfielder joins Spurs on a deal until 2031. 'Comeback starts ...
IEEE

Real-Time Duct Prediction and Propagation Analysis Using Genetic Algorithm-Based RFC and Parabolic Equation Method

Abstract: This paper proposes a real-time prediction of the duct using a refractivity from clutter (RFC) method based on genetic algorithm (GA) and the parabolic equation (PE) method. Three dates with ...
IEEE

A Second-Order Triangular Element-Based Domain Decomposition Method for Solving Electromagnetic Scattering Problems Using the Surface Integral Equation

Abstract: In this communication, a domain decomposition method for electromagnetic scatterers is proposed. After dividing the geometry into several domains, the subdomains are divided into near, far ...
BMJ

Using structural equation modelling to explore the relationship between insomnia, anxiety and depression to the severity of BPS/IC: a cross-sectional study in Chongqing, China

Objectives Despite the high prevalence of insomnia, anxiety and depression in patients with bladder pain syndrome/interstitial cystitis (BPS/IC), their clinical impact is often overlooked. To address ...