👉 Postapoplectic is a concept in mathematics that refers to a certain class of polynomials, specifically those that have been "postapplied" by an application of a polynomial function. In other words, they are functions that were originally defined using a polynomial but have been modified or expanded by another operation. The term is often used to describe the class of polynomials that satisfy a particular condition and can be expressed in terms of a single variable. For example, a polynomial f(x) = (