👉 In mathematics, a "perturbation matrix" is a square matrix that represents an operator in linear algebra. It plays a crucial role in many areas of mathematics and physics, particularly in problems involving differential equations.
The definition of a perturbation matrix can be found in various sources such as:
1.
Linear Algebra
: A perturbation matrix is often used to represent a change in the state or equation of a system due to small changes in its inputs or external conditions. It provides insight into how these