U(x)

Definition

In this context, "u(x)" represents a function named "u" that depends on an independent variable "x." It's used to differentiate this specific function from other functions.

Related terms

Independent variable: A variable whose value can be freely chosen or manipulated.

Dependent variable: A variable whose value depends on another variable.

Function notation: A way to represent mathematical relationships between variables using symbols such as f(x), g(t), etc.