- delay differential equation
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a type of differential equation in which the derivative of the unknown function at a certain time is given in terms of the values of the function at previous timesSyn: DDE
Wikipedia foundation.
Wikipedia foundation.
Delay differential equation — In mathematics, delay differential equations (DDEs) are a type of differential equation in which the derivative of the unknown function at a certain time is given in terms of the values of the function at previous times. A general form of the… … Wikipedia
Differential equation — Not to be confused with Difference equation. Visualization of heat transfer in a pump casing, created by solving the heat equation. Heat is being generated internally in the casing and being cooled at the boundary, providing a steady state… … Wikipedia
Stochastic differential equation — A stochastic differential equation (SDE) is a differential equation in which one or more of the terms is a stochastic process, thus resulting in a solution which is itself a stochastic process. SDE are used to model diverse phenomena such as… … Wikipedia
Differential algebraic equation — In mathematics, differential algebraic equations (DAEs) are a general form of (systems of) differential equations for vector–valued functions x in one independent variable t, where is a vector of dependent variables and the system has as many… … Wikipedia
Delay-Differentialgleichung — Retardierte Differentialgleichungen sind ein spezieller Typ Differentialgleichung, oft auch als DDE (Delayed Differential Equation) abgekürzt oder als Differentialgleichung mit nacheilendem Argument bezeichnet. Bei ihnen hängt die Ableitung einer … Deutsch Wikipedia
Differential (mechanical device) — For other uses, see Differential. A cutaway view of an automotive final drive unit which contains the differential Input … Wikipedia
Bi-directional delay line — In mathematics, a bi directional delay line is a numerical analysis technique used in computer simulation for solving ordinary differential equations by converting them to hyperbolic equations. In this way an explicit solution scheme is obtained… … Wikipedia
Boolean delay equation — As a novel type of semi discrete dynamical systems, Boolean Delay Equations (BDEs) are models with Boolean valued variables that evolve in continuous time. Since at the present time, most phenomena are too complex to be modeled by partial… … Wikipedia
Defining equation (physics) — For common nomenclature of base quantities used in this article, see Physical quantity. For 4 vector modifications used in relativity, see Four vector. Very often defining equations are in the form of a constitutive equation, since parameters of… … Wikipedia
Distributed parameter system — A distributed parameter system (as opposed to a lumped parameter system) is a system whose state space is infinite dimensional. Such systems are therefore also known as infinite dimensional systems. Typical examples are systems described by… … Wikipedia