V2EX bessel

Bessel

释义 Definition(中文)

Bessel 多指德国天文学家、数学家弗里德里希贝塞尔(Friedrich Wilhelm Bessel)的姓;在数学与物理中最常见的用法是指与他相关的贝塞尔函数(Bessel function)贝塞尔方程(Bessel’s equation)等,用于描述圆柱/球对称问题中的波动、热传导、电磁场等。

发音 Pronunciation (IPA)

/bsl/

例句 Examples

Bessel functions appear in many physics problems.
贝塞尔函数出现在许多物理问题中。

To model heat flow in a cylindrical rod, the solution often involves a Bessel equation.
为模拟圆柱形杆中的热流,解法往往会涉及贝塞尔方程。

词源 Etymology(中文)

Bessel 来自人名姓氏,源于19世纪德国科学家 F. W. Bessel。由于他在天文学与数学分析中的贡献(尤其与特定微分方程解的系统研究相关),后人用他的姓来命名一类重要的特殊函数与相关方程。

相关词 Related Words

文学与经典著作 Literary / Notable Works

  • A Treatise on the Theory of Bessel Functions(G. N. Watson)
  • Handbook of Mathematical Functions(Abramowitz & Stegun)
  • Classical Electrodynamics(J. D. Jackson)
  • Mathematical Methods for Physicists(Arfken & Weber)
  • The Feynman Lectures on Physics(Feynman, Leighton, Sands)
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