Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

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 ...

Abstract: For a class of nonlinear systems with disturbances, a new fixed time nonsingular sliding mode control (SMC) method is proposed in this paper. A new fixed time stability lemma is proposed ...

The Royal College of Nursing (RCN) trade union is recruiting employment advisers to join its Cardiff contact centre to advise on professional employment issues. The Royal College of Nursing is the ...

Leveraging AI to help analyze and visualize data gathered from a variety of data sets enables data-driven insights and fast analysis without the high costs of talent and technology. In today's ...

Microsoft Excel allows you to perform equations in individual cells in your worksheet. The Microsoft Equation Editor contains many symbols and operators not commonly found on your keyboard. This ...

Research and public opinion polls consistently show Americans are overwhelmingly concerned about the ever-growing cost of prescription drugs. A recent study done by the U.S. Department of Health and ...