• Thumbnail for Logarithmic integral function
    In mathematics, the logarithmic integral function or integral logarithm li(x) is a special function. It is relevant in problems of physics and has number...
    7 KB (1,321 words) - 07:33, 18 June 2025
  • a list of integrals (antiderivative functions) of logarithmic functions. For a complete list of integral functions, see list of integrals. Note: x >...
    4 KB (1,239 words) - 17:47, 20 March 2024
  • Thumbnail for Exponential integral
    mathematics, the exponential integral Ei is a special function on the complex plane. It is defined as one particular definite integral of the ratio between an...
    23 KB (3,488 words) - 19:31, 21 July 2025
  • Thumbnail for Logarithm
    of x. A far better estimate of π(x) is given by the offset logarithmic integral function Li(x), defined by L i ( x ) = ∫ 2 x 1 ln ⁡ ( t ) d t . {\displaystyle...
    98 KB (11,674 words) - 07:27, 12 July 2025
  • Thumbnail for Trigonometric integral
    mathematics, trigonometric integrals are a family of nonelementary integrals involving trigonometric functions. The different sine integral definitions are Si...
    18 KB (3,289 words) - 03:36, 11 July 2025
  • Thumbnail for Ramanujan–Soldner constant
    mathematical constant defined as the unique positive zero of the logarithmic integral function. It is named after Srinivasa Ramanujan and Johann Georg von...
    1 KB (214 words) - 09:39, 24 June 2025
  • functions List of integrals of exponential functions List of integrals of logarithmic functions List of integrals of Gaussian functions Gradshteyn, Ryzhik...
    29 KB (5,694 words) - 02:26, 23 July 2025
  • \pi } denotes the prime counting function, Li {\displaystyle \operatorname {Li} } the logarithmic integral function with inverse Li − 1 {\displaystyle...
    5 KB (727 words) - 18:58, 29 July 2025
  • Thumbnail for Gamma function
    The gamma function then is defined in the complex plane as the analytic continuation of this integral function: it is a meromorphic function which is holomorphic...
    90 KB (13,545 words) - 04:27, 29 July 2025
  • Thumbnail for Antiderivative
    derivative, primitive function, primitive integral or indefinite integral of a continuous function f is a differentiable function F whose derivative is...
    21 KB (3,366 words) - 08:38, 4 July 2025
  • mathematics, specifically in calculus and complex analysis, the logarithmic derivative of a function f is defined by the formula f ′ f {\displaystyle {\frac {f'}{f}}}...
    10 KB (1,354 words) - 20:05, 15 June 2025
  • Thumbnail for Prime-counting function
    \left(x^{1/n}\right),} μ(n) is the Möbius function, li(x) is the logarithmic integral function, ρ indexes every zero of the Riemann zeta function, and li(x⁠ρ/n⁠) is not...
    36 KB (4,660 words) - 14:18, 2 August 2025
  • Thumbnail for Trigonometric functions
    trigonometric functions were often combined with logarithms in compound functions like the logarithmic sine, logarithmic cosine, logarithmic secant, logarithmic cosecant...
    77 KB (10,653 words) - 00:44, 29 July 2025
  • Thumbnail for Integral
    below are negative. Integrals also refer to the concept of an antiderivative, a function whose derivative is the given function; in this case, they are...
    69 KB (9,288 words) - 03:06, 30 June 2025
  • {\displaystyle x} for which the prime-counting function π ( x ) {\displaystyle \pi (x)} exceeds the logarithmic integral function li ⁡ ( x ) . {\displaystyle \operatorname...
    18 KB (2,395 words) - 16:17, 1 August 2025
  • List of integrals of exponential functions List of integrals of logarithmic functions List of integrals of area functions Partial derivative Disk integration...
    4 KB (389 words) - 12:14, 10 February 2024
  • Thumbnail for Clausen function
    particularly in relation to the evaluation of many classes of logarithmic and polylogarithmic integrals, both definite and indefinite. They also have numerous...
    31 KB (6,482 words) - 03:37, 7 March 2025
  • Thumbnail for Natural logarithm
    logarithmic identities Logarithm of a matrix Logarithmic coordinates of an element of a Lie group. Logarithmic differentiation Logarithmic integral function...
    34 KB (5,882 words) - 12:40, 28 July 2025
  • Thumbnail for Bessel function
    \psi (z)} is the digamma function, the logarithmic derivative of the gamma function. There is also a corresponding integral formula (for Re(x) > 0): Y...
    77 KB (12,329 words) - 12:54, 29 July 2025
  • Gustav Lejeune Dirichlet came up with his own approximating function, the logarithmic integral li(x) (under the slightly different form of a series, which...
    66 KB (9,149 words) - 02:27, 29 July 2025
  • The term integral logarithm may stand for: Discrete logarithm in algebra, Logarithmic integral function in calculus. This disambiguation page lists articles...
    149 bytes (48 words) - 20:30, 28 December 2019
  • (elliptic integral) 1 ln ⁡ x {\displaystyle {\frac {1}{\ln x}}} (logarithmic integral) e − x 2 {\displaystyle e^{-x^{2}}} (error function, Gaussian integral) sin...
    5 KB (602 words) - 23:24, 15 July 2025
  • Thumbnail for Dirichlet integral
    as the sine integral, an antiderivative of the sinc function, is not an elementary function. In this case, the improper definite integral can be determined...
    15 KB (2,929 words) - 21:29, 17 June 2025
  • Liouville function, λ(n) = (–1)Ω(n) Von Mangoldt function, Λ(n) = log p if n is a positive power of the prime p Carmichael function Logarithmic integral function:...
    10 KB (1,065 words) - 21:42, 29 July 2025
  • offset logarithmic integral function. li – logarithmic integral function or linearly independent. lim – limit of a sequence, or of a function. lim inf...
    20 KB (2,001 words) - 04:31, 20 March 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 (7,152 words) - 22:28, 2 August 2025
  • elementary but lack elementary antiderivatives; the integral of the Gaussian function is the error function: ∫ e − x 2 d x = π 2 erf ⁡ x + C . {\displaystyle...
    30 KB (5,023 words) - 17:40, 4 April 2025
  • function li occurring in the first term is the (unoffset) logarithmic integral function given by the Cauchy principal value of the divergent integral...
    16 KB (2,828 words) - 10:52, 11 July 2025
  • domain (ccTLD) for Liechtenstein Li, the polylogarithm function Li, the logarithmic integral function <li></li>, indicating an item in an HTML list; see HTML...
    3 KB (420 words) - 19:42, 13 July 2025
  • In mathematics, the logarithmic mean is a function of two non-negative numbers which is equal to their difference divided by the logarithm of their quotient...
    7 KB (1,184 words) - 13:49, 1 August 2025