Výsledky vyhľadávania - $K$-approximating sets and functions*
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A deterministic fully polynomial time approximation scheme for counting integer knapsack solutions made easy
ISSN: 0304-3975, 1879-2294Vydavateľské údaje: Elsevier B.V 13.09.2016Vydané v Theoretical computer science (13.09.2016)“…Given n elements with nonnegative integer weights w=(w1,…,wn), an integer capacity C and positive integer ranges u=(u1,…,un), we consider the counting version…”
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Set-Valued Approximation—Revisited and Improved
ISSN: 2227-7390, 2227-7390Vydavateľské údaje: Basel MDPI AG 04.04.2025Vydané v Mathematics (Basel) (04.04.2025)“…We address the problem of approximating a set-valued function F, where F:[a,b]→K(Rd) given its samples {F(a+ih)}i=0N, with h=(b−a)/N. We revisit an existing…”
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A hybrid genetic—instance based learning algorithm for CE-QUAL-W2 calibration
ISSN: 0022-1694, 1879-2707Vydavateľské údaje: Amsterdam Elsevier B.V 01.08.2005Vydané v Journal of hydrology (Amsterdam) (01.08.2005)“…; the k-Nearest Neighbor algorithm (kNN)—for approximating the objective function response surface…”
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Gram Points in the Universality of the Dirichlet Series with Periodic Coefficients
ISSN: 2227-7390, 2227-7390Vydavateľské údaje: Basel MDPI AG 01.11.2023Vydané v Mathematics (Basel) (01.11.2023)“… We prove that the set of such shifts approximating a given analytic function is infinite…”
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Approximation of analytic functions by generalized discrete shifts of the Lerch zeta-function
ISSN: 0363-1672, 1573-8825Vydavateľské údaje: New York Springer US 01.04.2025Vydané v Lithuanian mathematical journal (01.04.2025)“… }, a ≠ 0, is uniformly distributed modulo 1. We obtain that the set of above shifts approximating every analytic function from a certain set has a positive lower…”
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Universality in Short Intervals of the Riemann Zeta-Function Twisted by Non-Trivial Zeros
ISSN: 2227-7390, 2227-7390Vydavateľské údaje: MDPI AG 01.11.2020Vydané v Mathematics (Basel) (01.11.2020)“… ζ(s+ihγk), h>0, approximating any non-vanishing analytic function defined in the strip {s∈C:1/2<Res<1} with accuracy ε…”
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Convergence rates of moment-sum-of-squares hierarchies for volume approximation of semialgebraic sets
ISSN: 1862-4472, 1862-4480Vydavateľské údaje: Berlin/Heidelberg Springer Berlin Heidelberg 01.05.2018Vydané v Optimization letters (01.05.2018)“…Moment-sum-of-squares hierarchies of semidefinite programs can be used to approximate the volume of a given compact basic semialgebraic set K…”
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Learning classes of approximations to non-recursive functions
ISSN: 0304-3975, 1879-2294Vydavateľské údaje: Amsterdam Elsevier B.V 16.10.2002Vydané v Theoretical computer science (16.10.2002)“… By showing B to be not in NUM we resolve this old problem. Moreover, variants of this problem obtained by approximating any given recursively enumerable set A instead of the halting problem K are studied…”
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Sets of approximating functions with finite Vapnik–Chervonenkis dimension for nearest-neighbors algorithms
ISSN: 0167-8655, 1872-7344Vydavateľské údaje: Amsterdam Elsevier B.V 15.10.2011Vydané v Pattern recognition letters (15.10.2011)“…) of nearest neighbors is used. Owing to this reformulation one can construct sets of approximating functions, which we prove…”
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Approximating a set of points by a step function
ISSN: 1047-3203, 1095-9076Vydavateľské údaje: Elsevier Inc 01.12.2006Vydané v Journal of visual communication and image representation (01.12.2006)“…Let S be a set of n points in the plane. We derive algorithms for approximating S by a step function of size k < n, i.e…”
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A Geometric Approach to Polynomial and Rational Approximation
ISSN: 2331-8422Vydavateľské údaje: Ithaca Cornell University Library, arXiv.org 11.02.2023Vydané v arXiv.org (11.02.2023)“… In particular, when approximating a function \(f\) on a compact set \(K\), the critical points of our approximants may be taken to lie in any given domain containing \(K…”
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Principal eigenvalues for k-Hessian operators by maximum principle methods
ISSN: 2640-3501, 2640-3501Vydavateľské údaje: AIMS Press 01.01.2021Vydané v Mathematics in engineering (01.01.2021)“… for which {\em admissible viscosity supersolutions} obey a minimum principle. The admissibility condition is phrased in terms of the natural closed convex cone $\Sigma_k \subset \Ss(N)$ which is an {\em elliptic set…”
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Minimax and Maximin Fitting of Geometric Objects to Sets of Points
ISBN: 9781124958545, 1124958541Vydavateľské údaje: ProQuest Dissertations & Theses 01.01.2011“… Let S be a set of n points in the plane. We derive algorithms for approximating S by a step function curve of size k < n, i.e…”
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Dissertation -
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Convergence rates of moment-sum-of-squares hierarchies for volume approximation of semialgebraic sets
ISSN: 2331-8422Vydavateľské údaje: Ithaca Cornell University Library, arXiv.org 13.12.2016Vydané v arXiv.org (13.12.2016)“…Moment-sum-of-squares hierarchies of semidefinite programs can be used to approximate the volume of a given compact basic semialgebraic set K…”
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Sketching and Clustering Metric Measure Spaces
ISSN: 2331-8422Vydavateľské údaje: Ithaca Cornell University Library, arXiv.org 18.10.2018Vydané v arXiv.org (18.10.2018)“…) into k clusters, minimizing some objective function f. Sketching, on the other hand, is the problem of approximating some mm-space by a smaller one supported on a set of k points…”
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