I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

Abstract: To obtain chaotic systems with good properties to help chaos based image encryption, this paper first study the condition under which quadratic functions can be used as pseudo-random ...

In this math tutorial, we look at a common mistake when dealing with horizontal shift in quadratic function graphing. We explore how to correctly interpret the direction of transformations of ...

View commit details and file changes by clicking on a commit. On the Commit Details View you can: View the Visual Studio Code Diff of any file change by clicking on it. Open the current version of any ...

Dagre is a JavaScript library that makes it easy to lay out directed graphs on the client-side. For more details, including examples and configuration options, please ...

Abstract: A Lyapunov function based on a set of quadratic functions is introduced in this paper. We call this Lyapunov function a composite quadratic function. Some important properties of this ...