C7a. ガンマ関数

関数
Function	Cgamma (Z As Complex, Optional Info As Long) As Complex
	ガンマ関数 Γ(z) (複素引数)
Function	Cgamr (Z As Complex, Optional Info As Long) As Complex
	ガンマ関数の逆数 1/Γ(z) (複素引数)
Function	Clngam (Z As Complex, Optional Info As Long) As Complex
	対数ガンマ関数 ln(Γ(z)) (複素引数)
Function	Gamdratio (A As Double, Delta As Double, Optional Info As Long) As Double
	ガンマ関数の比 Γ(a)/Γ(a + δ)
Function	Gamma (X As Double, Optional Info As Long) As Double
	ガンマ関数 Γ(x)
Function	Gamma1pm1 (X As Double, Optional Info As Long) As Double
	ガンマ関数 Γ(1+x) - 1
Function	Gamr (X As Double, Optional Info As Long) As Double
	ガンマ関数の逆数 1/Γ(x)
Function	Gamratio (A As Double, B As Double, Optional Info As Long) As Double
	ガンマ関数の比 Γ(a)/Γ(b)
Function	Lngam (X As Double, Optional Info As Long) As Double
	対数ガンマ関数 ln(Γ(z))
Function	Lngams (X As Double, Sign As Long, Optional Info As Long) As Double
	対数ガンマ関数 ln|Γ(x)| およびガンマ関数の符号
Function	Poch (A As Double, X As Double, Optional Info As Long) As Double
	ポッホハマー記号 (a)x
Function	Poch1 (A As Double, X As Double, Optional Info As Long) As Double
	相対ポッホハマー記号 ((a)x - 1)/x
Sub	Gamdratio_sub (Ret As Double, A As Double, Delta As Double, Optional Info As Long)
	ガンマ関数の比 Γ(a)/Γ(a + δ)
Sub	Gamma1pm1_sub (Ret As Double, X As Double, Optional Info As Long)
	ガンマ関数 Γ(1+x) - 1 (サブルーチン版)
Sub	Gamr_sub (Ret As Double, X As Double, Optional Info As Long)
	ガンマ関数の逆数 1/Γ(x) (サブルーチン版)
Sub	Gamratio_sub (Ret As Double, A As Double, B As Double, Optional Info As Long)
	ガンマ関数の比 Γ(a)/Γ(b) (サブルーチン版)
Sub	Lngam_sub (Ret As Double, X As Double, Optional Info As Long)
	対数ガンマ関数 ln(Γ(z)) (サブルーチン版)
Sub	Lngams_sub (Ret As Double, X As Double, Sign As Long, Optional Info As Long)
	対数ガンマ関数 ln|Γ(x)| およびガンマ関数の符号 (サブルーチン版)
Sub	Poch1_sub (Ret As Double, A As Double, X As Double, Optional Info As Long)
	相対ポッホハマー記号 ((a)x - 1)/x (サブルーチン版)
Sub	Poch_sub (Ret As Double, A As Double, X As Double, Optional Info As Long)
	ポッホハマー記号 (a)x (サブルーチン版)

詳解

C7a. ガンマ関数 プログラムを表示しています.