Gamma

Gamma(z)

is the gamma function on the complex number z.

Gamma(z, x)

is the upper incomplete gamma function.

Gamma(z, x0, x1)

is equivalent to Gamma(z, x0) - Gamma(z, x1).

See

• Wikipedia - Gamma function
• Fungrim - Gamma function
• Wikipedia - Incomplete gamma function

Examples

>> Gamma(8)
5040

>> Gamma(1/2)
Sqrt(Pi)

>> Gamma(2.2)
1.1018024908797128

Implementation status

• ✅ - full supported

Github

• Implementation of Gamma

• Rule definitions of Gamma