V2EX sturm-liouville

SturmLiouville

释义 Definition

斯图姆刘维尔(SturmLiouville):指一类重要的二阶线性常微分方程/特征值问题及其对应的自伴算子理论,常用于求解带边界条件的问题,并产生一组具有正交性的特征函数(在合适的权函数下),广泛应用于数学物理(如热传导、振动、量子力学等)。

发音 Pronunciation (IPA)

/strm ljuvil/

例句 Examples

This is a SturmLiouville problem.
这是一个斯图姆刘维尔问题。

Eigenfunctions of a SturmLiouville operator often form an orthogonal basis under a suitable weight function.
在合适的权函数下,斯图姆刘维尔算子的特征函数往往构成一组正交基。

词源 Etymology

该术语来自两位数学家的姓氏:Charles-Franois Sturm(斯图姆)Joseph Liouville(刘维尔)。19世纪他们在微分方程、特征值问题与正交函数体系等方向的工作奠定了相关理论框架,因此后人用二者姓名并称来命名这一类问题与理论。

相关词 Related Words

文学/典籍中的用例 Literary Works

  • Sturm-Liouville Theory(Anton Zettl)
  • Methods of Mathematical Physics(Courant & Hilbert)
  • Mathematical Methods for Physicists(Arfken, Weber & Harris)
  • Ordinary Differential Equations(Coddington & Levinson)
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