V2EX  ›  英汉词典
Enqueued related words: Numerical Methods

Differential Equations

释义 Definition

微分方程:一种包含未知函数及其导数(变化率)的方程,用来描述随时间或空间变化的过程(如运动、增长、扩散、振动等)。常见类型包括常微分方程(ODE)偏微分方程(PDE)

发音 Pronunciation (IPA)

/ˌdɪfəˈrɛnʃəl ɪˈkweɪʒənz/

例句 Examples

We learned differential equations in calculus class.
我们在微积分课上学习了微分方程。

Differential equations help model how heat diffuses through a metal rod over time.
微分方程可以用来建立模型,描述热量如何随时间在金属棒中扩散。

词源 Etymology

differential 来自 differentiate(求导、区分),与拉丁语 differentia(差异)相关;在数学中指“与导数/微分有关的”。equation(s) 来自拉丁语 aequatio(使相等),指“等式/方程”。合起来,differential equations 就是“含有导数(微分)项的方程”。

相关词 Related Words

文学与著作 Literary Works

  • Elementary Differential Equations and Boundary Value Problems(William E. Boyce & Richard C. DiPrima)
  • Differential Equations with Applications and Historical Notes(George F. Simmons)
  • Ordinary Differential Equations(V. I. Arnold)
  • Partial Differential Equations(Lawrence C. Evans)
  • A Treatise on the Theory of Differential Equations(A. R. Forsyth)
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