V2EX whittaker equation

Whittaker Equation

定义 Definition

Whittaker 方程是一类二阶线性常微分方程,常写作
\[ \frac{d^2y}{dx^2}+\left(-\frac14+\frac{\kappa}{x}+\frac{\frac14-\mu^2}{x^2}\right)y=0, \] 其典型解用Whittaker 函数表示(常记为 \(M_{\kappa,\mu}(x)\) 与 \(W_{\kappa,\mu}(x)\))。它与合流超几何方程密切相关,常出现在数学物理(如量子力学中的库仑势问题)与特殊函数理论中。

发音 Pronunciation (IPA)

/wtkr kwen/

例句 Examples

The Whittaker equation has solutions expressed in Whittaker functions.
Whittaker 方程的解可以用 Whittaker 函数来表示。

By reducing the radial Schrdinger equation to the Whittaker equation, we obtain bound-state wavefunctions in terms of \(W_{\kappa,\mu}(x)\).
把径向薛定谔方程化为 Whittaker 方程后,我们可以得到用 \(W_{\kappa,\mu}(x)\) 表示的束缚态波函数。

词源 Etymology

“Whittaker equation”以英国数学家 E. T. Whittaker(埃德蒙泰勒惠特克)

相关词 Related Words

文学/经典著作中的出现 Notable Works

  • A Course of Modern Analysis(Whittaker & Watson)讨论相关特殊函数与微分方程背景
  • Handbook of Mathematical Functions(Abramowitz & Stegun)收录 Whittaker 函数及其相关方程
  • Higher Transcendental Functions(Erdélyi 等)系统整理合流超几何与 Whittaker 类函数
  • Confluent Hypergeometric Functions(L. J. Slater)与 Whittaker 方程的等价变形与解的性质密切相关
  • *NIST Digital Library of Mathematical Functions (DLMF)*现代权威条目,涵盖 Whittaker 函数与对应微分方程
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