• Thumbnail for Arithmetic–geometric mean
    mathematics, the arithmeticgeometric mean (AGM or agM) of two positive real numbers x and y is the mutual limit of a sequence of arithmetic means and a sequence...
    17 KB (3,029 words) - 17:50, 24 March 2025
  • Thumbnail for Geometric mean
    the product of their values (as opposed to the arithmetic mean which uses their sum). The geometric mean of ⁠ n {\displaystyle n} ⁠ numbers is the nth...
    30 KB (4,404 words) - 12:48, 21 May 2025
  • Thumbnail for AM–GM inequality
    mathematics, the inequality of arithmetic and geometric means, or more briefly the AM–GM inequality, states that the arithmetic mean of a list of non-negative...
    40 KB (7,999 words) - 21:11, 14 April 2025
  • GA(x, y) is the geometricarithmetic mean, A(x, y) is the arithmetic mean. Arithmeticgeometric mean Arithmetic–harmonic mean Mean Weisstein, Eric W...
    3 KB (455 words) - 14:01, 26 November 2024
  • Arithmetic-geometric mean Arithmetic-harmonic mean Cesàro mean Chisini mean Contraharmonic mean Elementary symmetric mean Geometric-harmonic mean Grand...
    17 KB (2,244 words) - 17:09, 25 April 2025
  • with the arithmetic mean, is the geometric mean to the power n. Thus the n-th harmonic mean is related to the n-th geometric and arithmetic means. The...
    38 KB (5,958 words) - 15:58, 30 May 2025
  • Thumbnail for Pendulum (mechanics)
    and OEIS: A223068 having the denominators. Given Eq. 3 and the arithmeticgeometric mean solution of the elliptic integral: K ( k ) = π 2 M ( 1 − k , 1...
    43 KB (7,667 words) - 09:44, 12 May 2025
  • Muirhead's inequality (redirect from A-mean)
    inequality of arithmetic and geometric means. For any real vector a = ( a 1 , … , a n ) {\displaystyle a=(a_{1},\dots ,a_{n})} define the "a-mean" [a] of positive...
    7 KB (1,376 words) - 21:14, 14 April 2025
  • Thumbnail for Generalized mean
    numbers. These include as special cases the Pythagorean means (arithmetic, geometric, and harmonic means). If p is a non-zero real number, and x 1 ,...
    16 KB (3,362 words) - 21:12, 14 April 2025
  • Thumbnail for Logarithm
    y) denotes the arithmeticgeometric mean of x and y. It is obtained by repeatedly calculating the average (x + y)/2 (arithmetic mean) and x y {\textstyle...
    98 KB (11,674 words) - 16:13, 4 May 2025
  • repeatedly replaces two numbers by their arithmetic and geometric mean, in order to approximate their arithmetic-geometric mean. The version presented below is...
    6 KB (889 words) - 18:57, 23 December 2024
  • Thumbnail for Pythagorean means
    three classical Pythagorean means are the arithmetic mean (AM), the geometric mean (GM), and the harmonic mean (HM). These means were studied with proportions...
    8 KB (1,143 words) - 03:14, 28 April 2025
  • Thumbnail for Logarithmic mean
    }}x>0{\text{ and }}y>0.} Toyesh Prakash Sharma generalizes the arithmetic logarithmic geometric mean inequality for any n belongs to the whole number as x y...
    9 KB (1,663 words) - 23:30, 25 May 2025
  • Thumbnail for Landen's transformation
    different orders of magnitude. The limiting value is called the arithmetic-geometric mean of a {\displaystyle a} and b {\displaystyle b} , AGM ⁡ ( a , b...
    6 KB (1,361 words) - 22:31, 5 October 2024
  • from other types of means, such as geometric and harmonic. In addition to mathematics and statistics, the arithmetic mean is frequently used in economics...
    15 KB (2,195 words) - 09:31, 21 May 2025
  • In statistics, the weighted geometric mean is a generalization of the geometric mean using the weighted arithmetic mean. Given a sample x = ( x 1 , x...
    1 KB (213 words) - 14:27, 18 February 2025
  • with 0 ≤ x ≤ ⁠1/2⁠. For different values of x, this Heinz mean interpolates between the arithmetic (x = 0) and geometric (x = 1/2) means such that for 0 < x < ⁠1/2⁠:...
    2 KB (315 words) - 12:20, 13 August 2024
  • Thumbnail for Geometric progression
    term in a geometric series is the geometric mean of the term before it and the term after it, in the same way that each term of an arithmetic series is...
    9 KB (1,594 words) - 21:17, 14 April 2025
  • usual standard deviation. Note that unlike the usual arithmetic standard deviation, the geometric standard deviation is a multiplicative factor, and thus...
    4 KB (710 words) - 03:07, 9 April 2024
  • Thumbnail for J-invariant
    with the usual definition of the arithmeticgeometric mean for positive real numbers. See The Arithmetic-Geometric Mean of Gauss by David A. Cox. Milne...
    27 KB (4,738 words) - 05:27, 2 May 2025
  • and Hermann Karcher. On the real numbers, the arithmetic mean, median, geometric mean, and harmonic mean can all be interpreted as Fréchet means for different...
    4 KB (753 words) - 21:34, 16 May 2025
  • quarter period. It can be computed very efficiently in terms of the arithmeticgeometric mean: K ( k ) = π 2 agm ⁡ ( 1 , 1 − k 2 ) . {\displaystyle K(k)={\frac...
    40 KB (7,832 words) - 21:38, 15 October 2024
  • Thumbnail for Perimeter of an ellipse
    Unlike most other elementary shapes, such as the circle and square, there is no closed-form expression for the perimeter of an ellipse. Throughout history...
    9 KB (1,352 words) - 17:41, 20 May 2025
  • Thumbnail for Carl Friedrich Gauss
    laws. One of Gauss's first discoveries was the notion of the arithmetic-geometric mean (AGM) of two positive real numbers. He discovered its relation...
    181 KB (17,929 words) - 00:52, 14 May 2025
  • term in a geometric series is the geometric mean of the term before it and the term after it, in the same way that each term of an arithmetic series is...
    34 KB (4,759 words) - 05:38, 19 May 2025
  • Thumbnail for Elliptic curve
    (c_{0},ib_{0})}}} M(w, z) is the arithmeticgeometric mean of w and z. At each step of the arithmeticgeometric mean iteration, the signs of zn arising...
    54 KB (8,433 words) - 17:05, 17 March 2025
  • Thumbnail for Geometric mean theorem
    with diameter p + q. Now the altitude represents the geometric mean and the radius the arithmetic mean of the two numbers. Since the altitude is always smaller...
    9 KB (1,183 words) - 22:17, 19 April 2025
  • Thumbnail for Convex function
    Jensen's inequality, can be used to deduce inequalities such as the arithmeticgeometric mean inequality and Hölder's inequality. Let X {\displaystyle X} be...
    35 KB (5,856 words) - 19:37, 21 May 2025
  • quasi-arithmetic mean or generalised f-mean or Kolmogorov-Nagumo-de Finetti mean is one generalisation of the more familiar means such as the arithmetic mean...
    11 KB (1,936 words) - 15:10, 17 February 2025
  • the arithmetic-geometric mean inequality. Many important inequalities can be proved by the rearrangement inequality, such as the arithmetic mean – geometric...
    13 KB (2,621 words) - 21:14, 14 April 2025