• In probability theory, an f {\displaystyle f} -divergence is a certain type of function D f ( P ‖ Q ) {\displaystyle D_{f}(P\|Q)} that measures the difference...
    24 KB (3,980 words) - 16:03, 30 March 2024
  • mathematical statistics, the Kullback–Leibler (KL) divergence (also called relative entropy and I-divergence), denoted D KL ( P ∥ Q ) {\displaystyle D_{\text{KL}}(P\parallel...
    72 KB (12,414 words) - 08:24, 15 September 2024
  • divergence), which is central to information theory. There are numerous other specific divergences and classes of divergences, notably f-divergences and...
    20 KB (2,629 words) - 12:06, 15 February 2024
  • Thumbnail for Divergence
    divergence of a continuously differentiable vector field F = F x i + F y j + F z k {\displaystyle \mathbf {F} =F_{x}\mathbf {i} +F_{y}\mathbf {j} +F_{z}\mathbf...
    31 KB (4,586 words) - 17:25, 23 April 2024
  • In vector calculus, the divergence theorem, also known as Gauss's theorem or Ostrogradsky's theorem, is a theorem relating the flux of a vector field through...
    45 KB (7,529 words) - 14:07, 17 August 2024
  • Del (redirect from Divergence operator)
    below, are summarized as: Gradient: grad ⁡ f = ∇ f {\displaystyle \operatorname {grad} f=\nabla f} Divergence: div ⁡ v = ∇ ⋅ v {\displaystyle \operatorname...
    21 KB (3,908 words) - 16:06, 11 August 2024
  • mathematics, specifically statistics and information geometry, a Bregman divergence or Bregman distance is a measure of difference between two points, defined...
    26 KB (4,434 words) - 13:48, 23 June 2024
  • Thumbnail for Beam divergence
    In electromagnetics, especially in optics, beam divergence is an angular measure of the increase in beam diameter or radius with distance from the optical...
    4 KB (604 words) - 01:26, 24 October 2023
  • theory Divergence (statistics), a measure of dissimilarity between probability measures Bregman divergence f-divergence Jensen–Shannon divergence Kullback–Leibler...
    3 KB (402 words) - 08:50, 1 July 2023
  • Hellinger distance (category F-divergences)
    the similarity between two probability distributions. It is a type of f-divergence. The Hellinger distance is defined in terms of the Hellinger integral...
    10 KB (1,782 words) - 18:23, 20 September 2024
  • (which could be infinite), it defines an f-divergence D f {\displaystyle D_{f}} . Then if f {\displaystyle f} is strictly convex at 1 {\displaystyle 1}...
    50 KB (7,565 words) - 03:19, 21 September 2024
  • One major difference between f-divergences and most IPMs is that when P and Q have disjoint support, all f-divergences take on a constant value; by contrast...
    17 KB (1,880 words) - 14:34, 3 May 2024
  • Thumbnail for Total variation distance of probability measures
    distance is an f-divergence and an integral probability metric. The total variation distance is related to the Kullback–Leibler divergence by Pinsker’s...
    6 KB (794 words) - 07:48, 15 May 2024
  • Thumbnail for Great Divergence
    The Great Divergence or European miracle is the socioeconomic shift in which the Western world (i.e. Western Europe and the parts of the New World where...
    120 KB (15,044 words) - 15:59, 24 September 2024
  • distance, as it violates the triangle inequality) f-divergence: generalizes several distances and divergences Discriminability index, specifically the Bayes...
    6 KB (643 words) - 17:20, 5 March 2024
  • Genetic divergence is the process in which two or more populations of an ancestral species accumulate independent genetic changes (mutations) through time...
    7 KB (809 words) - 02:03, 3 December 2023
  • divergence of a continuously differentiable vector field F = F x i + F y j + F z k {\displaystyle \mathbf {F} =F_{x}\mathbf {i} +F_{y}\mathbf {j} +F_{z}\mathbf...
    34 KB (5,570 words) - 17:25, 27 September 2024
  • J_{F,\alpha }(\theta :\theta ')=\alpha F(\theta )+(1-\alpha )F(\theta ')-F(\alpha \theta +(1-\alpha )\theta ')} is a Jensen difference divergence. The...
    21 KB (3,449 words) - 05:51, 15 May 2024
  • In the field of information retrieval, divergence from randomness (DFR), is a generalization of one of the very first models, Harter's 2-Poisson indexing-model...
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  • Thumbnail for Cauchy distribution
    _{2}}}.} Any f-divergence between two Cauchy distributions is symmetric and can be expressed as a function of the chi-squared divergence. Closed-form...
    45 KB (6,844 words) - 08:51, 23 September 2024
  • Thumbnail for Ford F-Series (first generation)
    from the 1948 to the 1952 model years. The introduction of the F-Series marked the divergence of Ford car and truck design, developing a chassis intended...
    16 KB (1,717 words) - 19:00, 28 August 2024
  • In probability theory and statistics, the Jensen–Shannon divergence, named after Johan Jensen and Claude Shannon, is a method of measuring the similarity...
    16 KB (2,306 words) - 12:59, 30 August 2024
  • Thumbnail for Distance
    an f-divergence and a Bregman divergence (and in fact the only example which is both). Statistical manifolds corresponding to Bregman divergences are...
    17 KB (2,224 words) - 11:09, 6 September 2024
  • is the (Riemannian) divergence of the (Riemannian) gradient: Δ f = d i v ( ∇ f ) . {\displaystyle \Delta f={\rm {div}}(\nabla f).} An explicit formula...
    20 KB (3,344 words) - 06:20, 21 June 2024
  • Laplace operator or Laplacian is a differential operator given by the divergence of the gradient of a scalar function on Euclidean space. It is usually...
    27 KB (4,072 words) - 03:54, 27 September 2024
  • Bhattacharyya angle Kullback–Leibler divergence Hellinger distance Mahalanobis distance Chernoff bound Rényi entropy F-divergence Fidelity of quantum states Dodge...
    13 KB (2,116 words) - 05:55, 28 August 2024
  • conditional convergence, absolute convergence, interval of convergence or divergence of an infinite series ∑ n = 1 ∞ a n {\displaystyle \sum _{n=1}^{\infty...
    13 KB (2,221 words) - 11:15, 25 September 2024
  • concept of information projection can be extended to arbitrary f-divergences and other divergences. Sanov's theorem Cover, Thomas M.; Thomas, Joy A. (2006)...
    3 KB (481 words) - 05:50, 15 May 2024
  • Thumbnail for Aeroelasticity
    loads. Aircraft are designed to avoid the following aeroelastic problems: divergence where the aerodynamic forces increase the twist of a wing which further...
    22 KB (2,297 words) - 20:00, 29 August 2024
  • In mathematics, the nth-term test for divergence is a simple test for the divergence of an infinite series: If lim n → ∞ a n ≠ 0 {\displaystyle \lim _{n\to...
    5 KB (693 words) - 01:16, 19 September 2022