- underdetermined differential equation
- недоопределённое дифференциальное уравнение
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Partial differential equation — A visualisation of a solution to the heat equation on a two dimensional plane In mathematics, partial differential equations (PDE) are a type of differential equation, i.e., a relation involving an unknown function (or functions) of several… … Wikipedia
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