Watch the youtube video on the link below, the cosine function is used for 2-dimensional circular wave effect. cos (beta * (x ^ 2 + y ^ 2)) beta = 0.1 to 0.01. x and y represent spatial coordinates. I ...

Rails sample project with Ruby 3.3.0 and Rails 8.0.0 Rails sample project with Ruby 3.3.6 and Rails 7.0.4 All source code in the Ruby on Rails Tutorial is available jointly under the MIT License and ...

A graceful song of pain and despair, ‘Ruby Tuesday’ was the last great collaboration between Keith Richards and Brian Jones. Their strength lay not only in the symbiotic collaborations of Mick Jagger ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...