Linear time invariant (LTI) systems are the backbone of much of the analysis of communication systems, especially filtering operations. In this chapter we develop the concept of an LTI filter in the ...

Real life situations such as travelling over time and across distance can be drawn on a graph. Exact distances and times are plotted on the graph. These are shown as co-ordinates. These points are ...

With numerous examples and exercises for self-study, this book is designed for a short course on control systems or as a review for the professional engineer and provides a lucid introduction to ...

In the summer of 1897, David Hilbert (1862-1943) gave an introductory course in Invariant Theory at the University of Gottingen. This book is an English translation of the handwritten notes taken from ...

Who do you think swing voters are most likely to vote for? By The Learning Network A new collection of graphs, maps and charts organized by topic and type from our “What’s Going On in This ...

The result would be a straight line with an option for you to change their values while observing the change in the graph in real-time. For example, in the equation y=mx+c, you can change the ...

Every year for over two decades, TIME editors have highlighted the most impactful new products and ideas in TIME’s Best Inventions issue. To compile this year’s list, we solicited nominations ...

Subscribe now to get unlimited access to TIME.com and more! No matter who wins the U.S. election, companies will have greater success if they talk about the financial impact of climate change.