Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Although dinosaurs lived many millions of years ago, we know that they existed because some of them turned into fossils when they died. Watch our animation to discover how this happened, and explore ...

Abstract: The scheme of online optimization as a feedback controller is widely used to steer the states of a physical system to the optimal solution of a predefined optimization problem. Such methods ...

Abstract: In dynamic systems, safety is typically guaranteed through control barrier functions that keep states within a designated safe set throughout the entire evolution of the system. However, in ...

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