I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Abstract: Frequency-domain methods in signal reconstruction problems rely on the sparsity of many real-world objects in frequency space. Conversely, in this letter, we investigate the solution set of ...

Pete Rathburn is a copy editor and fact-checker with expertise in economics and personal finance and over twenty years of experience in the classroom. Rent stabilization is a form of control over ...

Cryptographic hash functions secure data by providing a unique fixed-length output for each input. These functions are essential in blockchain for data integrity and secure transactions. Understanding ...

Many dismiss warehousing simply as storage. But they couldn’t be more wrong: a warehouse is a dynamic hub of activity that is the foundation of the entire ecommerce order fulfillment process. From ...

In this tutorial, we will define the Dirac pulse through a virtual experiment to emphasize its circuit aspect. In many electronic texts, the “unitary pulse” (or “Dirac pulse”) is presented in an ...