Separation of variables

Differential equations
Scope
Fields
Applied mathematics
Social sciences
List of named differential equations
Classification
Types
By variable type
Features
Relation to processes
Solution
Existence and uniqueness
General topics
Solution methods
People
List

In mathematics, separation of variables (also known as the Fourier method) is any of several methods for solving ordinary and partial differential equations, in which algebra allows one to rewrite an equation so that each of two variables occurs on a different side of the equation.