# Differential equation/Related Articles

From Citizendium, the Citizens' Compendium

*See also changes related to Differential equation, or pages that link to Differential equation or to this page or whose text contains "Differential equation".*

## Parent topics

- Equation [r]: A mathematical relationship between quantities stated to be equal, seen as a problem involving variables for which the solution is the set of values for which the equality holds.
^{[e]} - Mathematical analysis [r]:
*Add brief definition or description*

## Subtopics

- Ordinary differential equation [r]:
*Add brief definition or description*- Harmonic oscillator [r]: A system which, when displaced from its equilibrium position, experiences a restoring force, proportional to the displacement.
^{[e]} - Lorenz system [r]:
*Add brief definition or description* - Lotka–Volterra equation [r]:
*Add brief definition or description*

- Harmonic oscillator [r]: A system which, when displaced from its equilibrium position, experiences a restoring force, proportional to the displacement.
- Partial differential equation [r]: An equation giving a relationship between a mathematical function of multiple variables and its derivatives.
^{[e]}- Heat equation [r]: A partial differential equation describing the way heat spreads over time.
^{[e]} - Inhomogeneous Helmholtz equation [r]: An elliptic partial differential equation arising in acoustics and electromagnetism.
^{[e]} - Laplace equation [r]:
*Add brief definition or description* - Schrödinger equation [r]: A differential equation of quantum mechanics, describing the spatial and temporal behavior of wave functions.
^{[e]} - Wave equation [r]:
*Add brief definition or description*

- Heat equation [r]: A partial differential equation describing the way heat spreads over time.
- Stochastic differential equation [r]:
*Add brief definition or description* - Delay differential equation [r]:
*Add brief definition or description* - Differential–algebraic equation [r]:
*Add brief definition or description*

- Derivative [r]: The rate of change of a function with respect to its argument.
^{[e]} - Integral equation [r]:
*Add brief definition or description* - Green's function [r]: Auxiliary function in the theory of linear differential equations; integral operator with Green function as kernel is the inverse of a linear differential operator.
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