Abstract: This paper discusses the design of Direct Digital Frequency Synthesizers (DDFS) based on the linear interpolation of the sine function. The problem of ...

Abstract: This paper proposes sum-of-squares (SOS) methodologies for stability analysis and region-of-attraction (ROA) estimation for nonlinear systems represented by polynomial fuzzy models via ...

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 ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Investopedia / Laura Porter A mismatch involves assets and liabilities not aligning ...

Liverpool head to Inter Milan on Tuesday evening for an important Champions League tie, though it’ll be matters off the pitch – and the absence of Mo Salah – that will dominate the headlines. The Reds ...

Graphing a piecewise defined function might seem daunting at first, but breaking down the process into manageable steps can make it significantly easier. A piecewise function, as the name suggests, is ...

Practical word problems are often considered one of the most complex parts of elementary school mathematics. They require students to understand the context of a math problem, identify what the ...

Companies and other organizations use marketing research to manage the risks associated with offering new products and services. These organizations don't want to spend too much money developing a ...