• mathematics, variational analysis is the combination and extension of methods from convex optimization and the classical calculus of variations to a more...
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  • Variational may refer to: Look up variational or variation in Wiktionary, the free dictionary. Calculus of variations, a field of mathematical analysis...
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  • Thumbnail for Semi-continuity
    Semi-continuity (category Variational analysis)
    nonlinear analysis & applications. World Scientific. ISBN 981-02-2534-2. Rockafellar (1970), Convex analysis Rockafellar; Wets (1997), Variational analysis Phelps...
    40 KB (6,634 words) - 19:26, 19 July 2025
  • identically equal to + ∞ . {\displaystyle +\infty .} In convex analysis and variational analysis, a point (in the domain) at which some given function f {\displaystyle...
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  • Thumbnail for Variational autoencoder
    graphical models and variational Bayesian methods. In addition to being seen as an autoencoder neural network architecture, variational autoencoders can also...
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  • In mathematical analysis, Ekeland's variational principle, discovered by Ivar Ekeland, is a theorem that asserts that there exist nearly optimal solutions...
    12 KB (2,299 words) - 18:48, 1 February 2024
  • The calculus of variations (or variational calculus) is a field of mathematical analysis that uses variations, which are small changes in functions and...
    58 KB (9,530 words) - 20:21, 15 July 2025
  • Thumbnail for Arg max
    singleton, or contain multiple elements. In the fields of convex analysis and variational analysis, a slightly different definition is used in the special case...
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    analysis arose through the study of mathematical economics and optimal control, partly as a generalization of convex analysis; the term "variational analysis"...
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  • Mosco convergence (category Variational analysis)
    }}F.} Mosco, Umberto (1967). "Approximation of the solutions of some variational inequalities". Annali della Scuola Normale Superiore di Pisa. 21 (3):...
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  • 1956: Applied Analysis, Prentice Hall 1961: Linear Differential Operators, Van Nostrand Company, ISBN 048665656X (1962: The Variational Principles of...
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  • application of the analysis of variance to data analysis was published in 1921, Studies in Crop Variation I. This divided the variation of a time series...
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    Epigraph (mathematics) (category Variational analysis)
    Epigraphs serve this same purpose in the fields of convex analysis and variational analysis, in which the primary focus is on convex functions valued...
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  • In the calculus of variations, a field of mathematical analysis, the functional derivative (or variational derivative) relates a change in a functional...
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  • set of samples, variational Bayes provides a locally-optimal, exact analytical solution to an approximation of the posterior. Variational Bayes can be seen...
    56 KB (11,243 words) - 14:03, 25 July 2025
  • suspended at both ends—a catenary—can be solved using variational calculus, and in this case, the variational principle is the following: The solution is a function...
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  • spaces. As such, it has major implications for functional analysis and the calculus of variations. Roughly, it shows that weak lower semicontinuity for integral...
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  • Tolerance analysis is the general term for activities related to the study of accumulated variation in mechanical parts and assemblies. Its methods may...
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  • Thumbnail for R. Tyrrell Rockafellar
    R. Tyrrell Rockafellar (category Variational analysts)
    Scholar and remains the standard reference on the subject, and "Variational Analysis" (1998, with Roger J-B Wets) for which the authors received the Frederick...
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  • In mathematics, a variational inequality is an inequality involving a functional, which has to be solved for all possible values of a given variable,...
    18 KB (2,135 words) - 23:09, 31 October 2023
  • the volume functional is known as the length functional and its variational analysis is fundamental to the study of geodesics in Riemannian geometry....
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  • Thumbnail for Subderivative
    Subderivative (category Variational analysis)
    called the subdifferential at that point. Subderivatives arise in convex analysis, the study of convex functions, often in connection to convex optimization...
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  • Thumbnail for Global Forecast System
    weather prediction system containing a global computer model and variational analysis run by the United States' National Weather Service (NWS). The mathematical...
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  • possible that variations in six observed variables mainly reflect the variations in two unobserved (underlying) variables. Factor analysis searches for...
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  • Thumbnail for Geometric analysis
    The calculus of variations is sometimes regarded as part of geometric analysis, because differential equations arising from variational principles have...
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  • Hemicontinuity (category Variational analysis)
    (1995). Microeconomic Analysis. New York: Oxford University Press. pp. 949–951. ISBN 0-19-507340-1. Ok, Efe A. (2007). Real Analysis with Economic Applications...
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  • Thumbnail for Mathematical analysis
    18th century, into analysis topics such as the calculus of variations, ordinary and partial differential equations, Fourier analysis, and generating functions...
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  • Adrian Lewis (mathematician) (category Variational analysts)
    in England) is a British-Canadian mathematician, specializing in variational analysis and nonsmooth optimization. At the University of Cambridge he graduated...
    10 KB (1,005 words) - 12:52, 30 June 2025
  • Γ-convergence (category Variational analysis)
    In the field of mathematical analysis for the calculus of variations, Γ-convergence (Gamma-convergence) is a notion of convergence for functionals. It...
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  • Thumbnail for Marston Morse
    Marston Morse (category Variational analysts)
    Cairns: Critical point theory in global analysis and differential topology, Academic Press, 1969 Variational analysis: critical extremals and Sturmian extensions...
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