C7c. ポリガンマ関数

関数
Function	Cdigamma (Z As Complex, Optional Info As Long) As Complex
	ディガンマ関数(psi関数) ψ(z) (複素引数)
Function	Digamma (X As Double, Optional Info As Long) As Double
	ディガンマ関数(psi関数) ψ(x)
Function	Polygamma (X As Double, N As Long, Optional Info As Long) As Double
	ポリガンマ関数 ψn(x)
Function	Trigamma (X As Double, Optional Info As Long) As Double
	トリガンマ関数 ψ1(x)
Sub	Digamma_sub (Ret As Double, X As Double, Optional Info As Long)
	ディガンマ関数(psi関数) ψ(x) (サブルーチン版)
Sub	Polygamma_sub (Ret As Double, X As Double, N As Long, Optional Info As Long)
	ポリガンマ関数 ψn(x) (サブルーチン版)
Sub	Trigamma_sub (Ret As Double, X As Double, Optional Info As Long)
	トリガンマ関数 ψ1(x) (サブルーチン版)

詳解

C7c. ポリガンマ関数 プログラムを表示しています.