◀ ▲ ▶Branches / Analysis / Proposition: Gamma Function Interpolates the Factorial
The following proposition establishes a connection between the gamma function the factorial.
Proposition: Gamma Function Interpolates the Factorial
For all positive real numbers $x > 0$, the gamma function fulfills the functional equation $$\Gamma(x+1)=x\Gamma(x).$$ In particular, for all natural numbers it equals the factorial $n,$ formally $$\Gamma(n+1)=n!.$$
Table of Contents
Proofs: 1
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References
Bibliography
- Forster Otto: "Analysis 1, Differential- und Integralrechnung einer Veränderlichen", Vieweg Studium, 1983
- Heuser Harro: "Lehrbuch der Analysis, Teil 1", B.G. Teubner Stuttgart, 1994, 11th Edition