Cylindrical Function - Enchu Kansu

Japanese: 円柱関数 - えんちゅうかんすう
Cylindrical Function - Enchu Kansu

…When ν is not an integer (0, ±1, ±2, …), converges for 0 < | x | < ∞, and becomes a solution to (1) (Γ(ν) is the Γ function). This is called the Bessel function of the first kind or the cylindrical function. Here, J ν ( x ) and J -ν ( x ) are linearly independent. …

*Some of the terminology explanations that mention "cylinder function" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…νが整数(0,±1,±2,……)でないときは,は0<|x|<∞で収束し,(1)の解となる(Γ(ν)はΓ関数)。これを第1種ベッセル関数または円柱関数という。ここでJν(x)とJ-ν(x)とは一次独立である。…

※「円柱関数」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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