Random triples
| Subject | Object |
|---|---|
| gptkb:Polygamma_function | ψ⁽ⁿ⁾(z) ~ (-1)^{n+1} n! ∑_{k=0}^∞ B_{k+n+1}/(k+n+1) z^{k+n+1} |
| gptkb:digamma_function | ψ(x) ~ ln x - 1/(2x) for large x |
| gptkb:Stirling's_approximation | n! ~ sqrt(2πn) (n/e)^n [1 + 1/(12n) + 1/(288n^2) - ...] |