# Partial Differential Equation

A partial differential equation is an equation involving a function and its partial derivatives.

Partial differential equation is a college-level concept that would be first encountered in a differential equations course.

### Prerequisites

Derivative: | A derivative is the infinitesimal rate of change in a function with respect to one of its parameters. |

Differential Equation: | A differential equation is an equation that involves the derivatives of a function as well as the function itself. |

Partial Derivative: | A partial derivative is a derivative of a multivariate function in which all but one of the variables are held fixed during the differentiation. |