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 ...

The goal of this project is to provide solutions to all exercises and problems from Introduction to Algorithms, Fourth Edition by Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest and Clifford ...

Abstract: Numerical optimization serves as one of the pillars of machine learning. To meet the demands of big data applications, lots of efforts have been put on designing theoretically and ...

Abstract: Syncope is a transient and self-limited loss of consciousness that affects mostly elderly people. Although it is not lethal it can lead to serious injuries and the appearance of severe ...

Correspondence to: Professor Michele Brignole Department of Cardiology and Arrhythmologic Centre, Ospedali del Tigullio, 16033 Lavagna, Italy; mbrignole{at}ASL4.liguria.it If you wish to reuse any or ...