V2EX pde

PDE

释义 Definition

PDEpartial differential equation 的缩写,意为“偏微分方程”:一种含有多元函数及其偏导数的方程,常用于描述热传导、波动、流体、扩散等连续系统的变化。(在生物化学语境中,PDE 也常指 phosphodiesterase“磷酸二酯酶”。)

发音 Pronunciation (IPA)

/pi di i/

例句 Examples

The PDE describes how heat spreads through the metal.
这个偏微分方程描述了热量如何在金属中传播。

To solve the PDE, we used separation of variables and applied boundary conditions at both ends.
为了解这个偏微分方程,我们使用了变量分离法,并在两端施加了边界条件。

词源 Etymology

PDE 属于首字母缩写(initialism),来自 Partial Differential Equation 的每个单词首字母;在数学与工程领域中为高频术语,书写与口头表达中常直接使用缩写。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Partial Differential Equations Lawrence C. Evans(经典教材,PDE 作为核心概念反复出现)
  • Methods of Mathematical Physics Richard Courant & David Hilbert(以 PDE 为重要工具讨论物理问题)
  • The Feynman Lectures on Physics Richard P. Feynman 等(在波动、扩散等章节中常以 PDE 形式表达基本定律)
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