Abstract: In this paper, we present a novel convolution theorem which encompasses the well known convolution theorem in (graph) signal processing as well as the one related to time-varying filters.

Understand Thevenin’s Theorem the easy way with a clear, step-by-step circuit example. Learn how to simplify complex electrical networks into an equivalent circuit, making analysis faster and ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Anna Nordseth is an ecology writer and Duke University Ph.D. candidate specializing in tropical forest ecology, conservation research, and biodiversity. Boreal forests, or taiga, are found between 50 ...

Convolution is a remarkable property of the Fourier transform, often cited in the literature as the “faltung theorem”. Convolution is a remarkable property of the Fourier transform, often cited in the ...

Learning how to trade options helps expand your trading choices. It’s a powerful tool you can use to speculate on and hedge against market moves. But how do you know which strategy to use in a certain ...

For the first time, we've observed a 50-year-old theorem from Stephen Hawking in the natural world. Scientists from the Massachusetts Institute of Technology (MIT), California Institute of Technology, ...

Many processed foods have nutritional value and are safe to eat on a regular basis, unlike ultraprocessed foods. A dietitian shares how to tell the difference. Much of the food we eat has been ...

Bill Whitaker is an award-winning journalist and 60 Minutes correspondent who has covered major news stories, domestically and across the globe, for more than four decades with CBS News. A high school ...