UpperGamma, LowerGamma, IncompleteBeta, IncompleteBetaRegularized
Synopsis
#include <flint/fexpr_builtin.h>UpperGammaLowerGammaIncompleteBetaIncompleteBetaRegularizedThe upper and lower incomplete gamma functions UpperGamma(s, z) (\Gamma(s, z)) and LowerGamma(s, z) (\gamma(s, z)), and the incomplete beta function IncompleteBeta(x, a, b) (\mathrm{B}_{x}\!\left(a, b\right)) and its regularised version IncompleteBetaRegularized(x, a, b) (I_{x}\!\left(a, b\right)).
Cite this page
The FLINT team, “UpperGamma, LowerGamma, IncompleteBeta, IncompleteBetaRegularized (fexpr_builtin.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/fexpr_builtin/UpperGamma.html (generated 2026-10-20).
@misc{flint-doc-fexpr-builtin-UpperGamma,
author = {{The FLINT team}},
title = {{UpperGamma, LowerGamma, IncompleteBeta, IncompleteBetaRegularized (fexpr\_builtin.h)}},
howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
year = {2026},
url = {https://flintlib.org/doc/fexpr_builtin/UpperGamma.html},
note = {Generated 2026-10-20}
}