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→Related concepts
==Related concepts==
==Related concepts==
相关概念
* A [[delay differential equation]] (DDE) is an equation for a function of a single variable, usually called '''time''', in which the derivative of the function at a certain time is given in terms of the values of the function at earlier times.
* A [[delay differential equation]] (DDE) is an equation for a function of a single variable, usually called '''time''', in which the derivative of the function at a certain time is given in terms of the values of the function at earlier times.
延迟微分方程（DDE）是一元函数的方程，变量通常为时间，其中，对于某些较早时间点，会给出函数的导数值。
*An [[integro-differential equation]] (IDE) is an equation that combines aspects of a differential equation and an [[integral equation]].
*An [[integro-differential equation]] (IDE) is an equation that combines aspects of a differential equation and an [[integral equation]].
积分微分方程（IDE）结合了微分方程和积分方程。
* A [[stochastic differential equation]] (SDE) is an equation in which the unknown quantity is a [[stochastic process]] and the equation involves some known stochastic processes, for example, the [[Wiener process]] in the case of diffusion equations.
* A [[stochastic differential equation]] (SDE) is an equation in which the unknown quantity is a [[stochastic process]] and the equation involves some known stochastic processes, for example, the [[Wiener process]] in the case of diffusion equations.
随机微分方程（SDE）中的未知量是处于随机过程，并且该方程涉及一些已知的随机过程，例如，扩散方程中的维纳过程。
*A [[stochastic partial differential equation]] (SPDE) is an equation that generalizes SDEs to include space-time noise processes, with applications in [[quantum field theory]] and [[statistical mechanics]].
*A [[stochastic partial differential equation]] (SPDE) is an equation that generalizes SDEs to include space-time noise processes, with applications in [[quantum field theory]] and [[statistical mechanics]].
随机偏微分方程（SPDE）是一种包含有空间时间噪声过程的广义随机微分方程，它通常应用于量子场论以及统计力学中。
* A [[differential algebraic equation]] (DAE) is a differential equation comprising differential and algebraic terms, given in implicit form.
* A [[differential algebraic equation]] (DAE) is a differential equation comprising differential and algebraic terms, given in implicit form.
微分代数方程（DAE）是一种包含微分和代数项的微分方程，以隐式形式给出。
==Connection to difference equations==
==Connection to difference equations==