Gamma Function of Zero
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Theorem
Let $\Gamma$ denotes the Gamma function
Then:
- $\map \Gamma 0$ is not defined.
Proof
\(\ds \map \Gamma 1\) | \(=\) | \(\ds 0 \, \map \Gamma 0\) | Gamma Difference Equation | |||||||||||
\(\ds \leadsto \ \ \) | \(\ds \map \Gamma 0\) | \(=\) | \(\ds \dfrac {\map \Gamma 1} 0\) | |||||||||||
\(\ds \) | \(=\) | \(\ds \dfrac 1 0\) | Gamma Function Extends Factorial |
But $\dfrac 1 0$ is not defined.
Hence the result.
$\blacksquare$
Sources
- 1965: Murray R. Spiegel: Theory and Problems of Laplace Transforms ... (previous) ... (next): Chapter $1$: The Laplace Transform: Solved Problems: The Gamma Function: $33 \ \text{(d)}$