Chinese 偏微分方程 Cited by user 114.45.222.38 on 20 Nov 2023 偏微分方程(partial differential equation,縮寫作PDE)指含有未知函數及其偏導數的方程. 描述自變量、未知函數及其偏導數之間的關係. 符合這個關係的函数是方程的解.
English Partial differential equation Cited by user Bender the Bot on 21 Jun 2023 In mathematics, a partial differential equation (PDE) is an equation which computes a function between various partial derivatives of a multivariable function.
Spanish Ecuación en derivadas parciales Cited by user Adolfobrigido on 13 Apr 2023 En matemáticas una ecuación en derivadas parciales (en ocasiones abreviada como EDP) es aquella ecuación diferencial cuyas incógnitas son funciones de diversas variables…
English Ehrling's lemma Cited by user Citation bot on 23 Oct 2022 In mathematics, Ehrling's lemma, also known as Lions' lemma, is a result concerning Banach spaces.