• Thumbnail for Gamma function
    mathematics, the gamma function (represented by Γ, capital Greek letter gamma) is the most common extension of the factorial function to complex numbers...
    90 KB (13,547 words) - 17:59, 24 June 2025
  • Thumbnail for Incomplete gamma function
    In mathematics, the upper and lower incomplete gamma functions are types of special functions which arise as solutions to various mathematical problems...
    43 KB (7,178 words) - 09:53, 13 June 2025
  • Thumbnail for Inverse gamma function
    mathematics, the inverse gamma function Γ − 1 ( x ) {\displaystyle \Gamma ^{-1}(x)} is the inverse function of the gamma function. In other words, y = Γ...
    6 KB (833 words) - 00:19, 7 May 2025
  • {\displaystyle \Gamma } is used as a symbol for: In mathematics, the gamma function (usually written as Γ {\displaystyle \Gamma } -function) is an extension...
    15 KB (1,736 words) - 00:39, 6 May 2025
  • Thumbnail for Reciprocal gamma function
    reciprocal gamma function is the function f ( z ) = 1 Γ ( z ) , {\displaystyle f(z)={\frac {1}{\Gamma (z)}},} where Γ(z) denotes the gamma function. Since...
    11 KB (1,467 words) - 18:45, 23 June 2025
  • The gamma function is an important special function in mathematics. Its particular values can be expressed in closed form for integer, half-integer, and...
    18 KB (3,142 words) - 16:54, 22 June 2025
  • gamma function Γp is a generalization of the gamma function. It is useful in multivariate statistics, appearing in the probability density function of...
    5 KB (958 words) - 12:47, 25 May 2022
  • Thumbnail for Beta function
    the beta function, also called the Euler integral of the first kind, is a special function that is closely related to the gamma function and to binomial...
    19 KB (4,093 words) - 08:27, 16 April 2025
  • Thumbnail for Digamma function
    In mathematics, the digamma function is defined as the logarithmic derivative of the gamma function: ψ ( z ) = d d z ln ⁡ Γ ( z ) = Γ ′ ( z ) Γ ( z )...
    36 KB (7,155 words) - 10:49, 14 April 2025
  • Thumbnail for Hadamard's gamma function
    Hadamard's gamma function, named after Jacques Hadamard, is an extension of the factorial function, different from the classical gamma function (it is an...
    3 KB (417 words) - 17:53, 14 May 2025
  • Thumbnail for Inverse-gamma distribution
    scaled inverse chi-squared distribution. The inverse gamma distribution's probability density function is defined over the support x > 0 {\displaystyle x>0}...
    11 KB (1,632 words) - 09:32, 12 June 2025
  • Thumbnail for Euler's constant
    for the gamma function and the Barnes G-function. The asymptotic expansion of the gamma function, Γ ( 1 / x ) ∼ x − γ {\displaystyle \Gamma (1/x)\sim...
    71 KB (9,611 words) - 12:02, 23 June 2025
  • Thumbnail for Gamma distribution
    distribution functions of the gamma distribution vary based on the chosen parameterization, both offering insights into the behavior of gamma-distributed...
    66 KB (9,100 words) - 17:39, 27 June 2025
  • Thumbnail for Multiple gamma function
    gamma function Γ N {\displaystyle \Gamma _{N}} is a generalization of the Euler gamma function and the Barnes G-function. The double gamma function was...
    9 KB (1,891 words) - 12:23, 14 August 2024
  • Gamma correction or gamma is a nonlinear operation used to encode and decode luminance or tristimulus values in video or still image systems. Gamma correction...
    43 KB (5,348 words) - 20:28, 20 January 2025
  • Factorial (redirect from Factorial function)
    factorial function to a continuous function of complex numbers, except at the negative integers, the (offset) gamma function. Many other notable functions and...
    70 KB (8,432 words) - 06:19, 30 April 2025
  • Thumbnail for Theta function
    Many values of the theta function and especially of the shown phi function can be represented in terms of the gamma function: φ ( exp ⁡ ( − 2 π ) ) =...
    70 KB (14,667 words) - 23:32, 8 June 2025
  • Thumbnail for Hankel contour
    Hankel contour (category Special functions)
    z ) {\displaystyle \Gamma (z+1)=z\Gamma (z)} . The Hankel contour can be used to help derive an expression for the Gamma function, based on the fundamental...
    10 KB (1,925 words) - 12:54, 2 June 2025
  • function, Polygamma function Incomplete beta function Incomplete gamma function K-function Multivariate gamma function: A generalization of the Gamma...
    10 KB (1,065 words) - 15:31, 16 June 2025
  • Thumbnail for Riemann zeta function
    {d} x} is the gamma function. The Riemann zeta function is defined for other complex values via analytic continuation of the function defined for σ >...
    74 KB (10,699 words) - 08:13, 30 June 2025
  • Thumbnail for Polygamma function
    \mathbb {C} } defined as the (m + 1)th derivative of the logarithm of the gamma function: ψ ( m ) ( z ) := d m d z m ψ ( z ) = d m + 1 d z m + 1 ln ⁡ Γ ( z )...
    12 KB (2,386 words) - 23:18, 13 January 2025
  • the elliptic gamma function is a generalization of the q-gamma function, which is itself the q-analog of the ordinary gamma function. It is closely...
    3 KB (575 words) - 21:47, 27 February 2023
  • Thumbnail for Mittag-Leffler function
    _{k=0}^{\infty }{\frac {z^{k}}{\Gamma (\alpha k+1)}},} where Γ ( x ) {\displaystyle \Gamma (x)} is the gamma function, and α {\displaystyle \alpha } is...
    11 KB (1,790 words) - 07:38, 19 May 2025
  • In mathematics, the p-adic gamma function Γp is a function of a p-adic variable analogous to the gamma function. It was first explicitly defined by Morita...
    8 KB (1,418 words) - 01:59, 9 May 2024
  • Thumbnail for Barnes G-function
    G-function G(z) is a function that is an extension of superfactorials to the complex numbers. It is related to the gamma function, the K-function and...
    14 KB (2,634 words) - 08:14, 27 April 2025
  • {\displaystyle q} -gamma function, or basic gamma function, is a generalization of the ordinary gamma function closely related to the double gamma function. It was...
    11 KB (2,113 words) - 14:01, 24 December 2024
  • \Gamma (n)=(n-1)!} . When the gamma function is evaluated at half-integers, the result contains π. For example, Γ ( 1 2 ) = π {\displaystyle \Gamma {\bigl...
    148 KB (17,240 words) - 12:56, 27 June 2025
  • Thumbnail for Sine and cosine
    the functional equation for the Gamma function, Γ ( s ) Γ ( 1 − s ) = π sin ⁡ ( π s ) , {\displaystyle \Gamma (s)\Gamma (1-s)={\pi \over \sin(\pi s)},}...
    55 KB (7,064 words) - 00:33, 30 May 2025
  • Thumbnail for Polylogarithm
    (Vepstas 2008). Bose integral is result of multiplication between Gamma function and Zeta function. One can begin with equation for Bose integral, then use series...
    60 KB (10,143 words) - 15:45, 2 June 2025
  • Thumbnail for Cauchy distribution
    distribution, Lorentz(ian) function, or Breit–Wigner distribution. The Cauchy distribution f ( x ; x 0 , γ ) {\displaystyle f(x;x_{0},\gamma )} is the distribution...
    47 KB (6,935 words) - 18:19, 18 June 2025