👉 In mathematics, a sharp is a mathematical concept that refers to a specific class of functions or sets of functions. These functions are considered to be the most "sharp" in terms of their properties or behaviors. A function is said to have a sharp behavior if it has one or more discontinuities at its points of discontinuity. A sharp function is characterized by having a single point of discontinuity, which can occur anywhere on the graph of the function. Sharp functions are also known as "sharp
