Výsledky vyhľadávania - "Approximation by other special function classes"

Approximation and shape preserving properties by nonlinear Lupaş type Bernstein operators of max-product kind

Autori: Mohd Shanawaz Mansoori Asif Khan Khursheed J. Ansari

Zdroj: Arabian Journal of Mathematics. 14:107-120

Predmety: Approximation with constraints, Approximation by operators (in particular, by integral operators), Approximation by other special function classes

Popis súboru: application/xml

Prístupová URL adresa: https://zbmath.org/8035749
https://doi.org/10.1007/s40065-025-00494-3

Product kernels are efficient and flexible tools for high-dimensional scattered data interpolation

Autori: Kristof Albrecht Juliane Entzian Armin Iske

Zdroj: Advances in Computational Mathematics. 51

Predmety: greedy algorithms, product kernels, kernel-based approximation, FOS: Mathematics, Rate of convergence, degree of approximation, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), Interpolation in approximation theory, Approximation by other special function classes

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/abs/2312.09949
https://zbmath.org/8023797
https://doi.org/10.1007/s10444-025-10226-y

Construction of quasi-localized dual bases in reproducing kernel Hilbert spaces

Autori: Helmut Harbrecht Rüdiger Kempf Michael Multerer

Zdroj: Journal of Computational and Applied Mathematics. 465:116545

Predmety: reproducing kernel Hilbert spaces, preconditioning, Numerical radial basis function approximation, dual pairs, Approximation by other special function classes

Popis súboru: application/xml

Prístupová URL adresa: https://zbmath.org/8015353
https://doi.org/10.1016/j.cam.2025.116545

On the convergence of generalized kernel-based interpolation by greedy data selection algorithms

Autori: Kristof Albrecht Armin Iske

Zdroj: BIT Numerical Mathematics. 65

Predmety: greedy data selection algorithms, generalized kernel-based interpolation, FOS: Mathematics, Rate of convergence, degree of approximation, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), multivariate scattered data approximation, 0101 mathematics, 01 natural sciences, Interpolation in approximation theory, Approximation by other special function classes

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/abs/2407.03840

Approximation with Chlodowsky variant of Kantorovich-Stancu-operators employing associated λ-polynomials: Approximation with Chlodowsky variant of Kantorovich-Stancu-operators employing associated \(\lambda\)-polynomials

Autori: Nusrat Raza Manoj Kumar

Zdroj: Journal of Inequalities and Applications, Vol 2024, Iss 1, Pp 1-19 (2024)

Predmety: Other functions defined by series and integrals, weighted approximation, \(\alpha\beta\)-statistical convergence, Szász operators, Approximation by positive operators, Rate of convergence, degree of approximation, Other special orthogonal polynomials and functions, Rate of convergence, Weighted approximation, Approximation by other special function classes, Associated λ-polynomials, Modulus of continuity, modulus of continuity, QA1-939, associated \(\lambda\)-polynomials, Mathematics, αβ-statistical convergence, rate of convergence

Popis súboru: application/xml

Prístupová URL adresa: https://doaj.org/article/601941553b7e4085bfef4209e1d030e9

Approximation error estimates by noise‐injected neural networks: Approximation error estimates by noise-injected neural networks

Autori: Keito AKIYAMA

Zdroj: Mathematical Methods in the Applied Sciences. 47:14563-14574

Predmety: approximation of functions, universal approximation property, approximation order, Stochastic approximation, stochastic perturbations, feedforward neural networks, Approximation by other special function classes, Artificial neural networks and deep learning

Popis súboru: application/xml

Necessary and sufficient conditions for imbedding in the theory of best approximation by polynomials

Autori: Nguyen Xuan Ky

Zdroj: Publicationes Mathematicae Debrecen. 40:85-90

Predmety: Best approximation, Chebyshev systems, Abstract approximation theory (approximation in normed linear spaces and other abstract spaces), Approximation by polynomials, Jacobi polynomials, 0101 mathematics, 01 natural sciences, Approximation by other special function classes

Popis súboru: application/xml

Prístupová URL adresa: https://zbmath.org/55014

WEIGHTED DISCRETE UNIVERSALITY OF THE RIEMANN ZETA-FUNCTION: Weighted discrete universality of the Riemann zeta-function

Autori: Laurinčikas, Antanas Šiaučiūnas, Darius Vadeikis, Gediminas

Zdroj: Mathematical Modelling and Analysis, Vol 25, Iss 1 (2020)
Mathematical modelling and analysis., Vilnius : Technika, 2020, vol. 25, no. 1, p. 21-36.
Mathematical Modelling and Analysis; Vol 25 No 1 (2020); 21-36

Predmety: approximation of analytic functions, Mergelyan theorem, Riemann zeta-function, universality, weak convergence, \(\zeta (s)\) and \(L(s, \chi)\), QA1-939, 0101 mathematics, 01 natural sciences, Mathematics, Approximation by other special function classes

Popis súboru: application/xml; application/pdf

Prístupová URL adresa: https://journals.vgtu.lt/index.php/MMA/article/download/10436/9452
https://zbmath.org/7443787
https://doi.org/10.3846/mma.2020.10436
https://doaj.org/article/384d9b135fed46169328e5e8580d1f2d
http://gs.elaba.lt/object/elaba:48422194/
http://gs.elaba.lt/object/elaba:48422194/48422194.pdf
https://repository.vu.lt/VU:ELABAPDB48422194&prefLang=en_US
https://journals.vilniustech.lt/index.php/MMA/article/view/10436

Joint approximation of analytic functions by shifts of the Riemann and periodic Hurwitz zeta-functions

Autori: Renata Macaitienė Antanas Laurinčikas

Zdroj: Applicable Analysis and Discrete Mathematics. 12:508-527

Predmety: Haar measure, Mergelyan theorem, \(\zeta (s)\) and \(L(s, \chi)\), periodic Hurwitz zeta-function, universality, 0101 mathematics, Other Dirichlet series and zeta functions, 01 natural sciences, Approximation by other special function classes, Riemann zeta-function

Popis súboru: application/xml

Prístupová URL adresa: http://www.doiserbia.nb.rs/ft.aspx?id=1452-86301800016L

Rademacher Chaos in Symmetric Spaces: Rademacher chaos in symmetric spaces.

Autori: Sergey V. Astashkin

Zdroj: The Rademacher System in Function Spaces ISBN: 9783030478896

Predmety: Summability and bases in topological vector spaces, exponential integrability, Summability and bases, functional analytic aspects of frames in Banach and Hilbert spaces, decoupling Rademacher chaos, Series expansions (e.g., Taylor, Lidstone series, but not Fourier series), Rademacher system, 01 natural sciences, Approximation by other special function classes, \(H^p\)-spaces, Spaces of measurable functions (\(L^p\)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.), Functional Analysis (math.FA), Fourier series in special orthogonal functions (Legendre polynomials, Walsh functions, etc.), Mathematics - Functional Analysis, Mathematics - Classical Analysis and ODEs, Classical Analysis and ODEs (math.CA), FOS: Mathematics, 0101 mathematics, Rademacher chaos, 46B20 (primary), 42A55, 42A61 (secondary)

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/pdf/math/0006129v1.pdf
http://arxiv.org/abs/math/0006129
https://zbmath.org/1292379
https://zbmath.org/1661571
https://link.springer.com/chapter/10.1007/978-3-030-47890-2_6
https://dialnet.unirioja.es/servlet/articulo?codigo=231137

Sampling time-frequency localized functions and constructing localized time-frequency frames

Autori: Monika Dörfler Gino Angelo Velasco

Zdroj: European Journal of Applied Mathematics. 28:854-876

Predmety: 101028 Mathematical modelling, OPERATORS, 101014 Numerical mathematics, approximation by other special function classes, 101014 Numerische Mathematik, 01 natural sciences, Functional Analysis (math.FA), Mathematics - Functional Analysis, frames, multipliers, FOS: Mathematics, 101028 Mathematische Modellierung, SPACE, FOURIER-ANALYSIS, signal theory (filtering, 0101 mathematics, reconstruction), sampling theory, SPHEROIDAL WAVE-FUNCTIONS

Prístupová URL adresa: http://arxiv.org/pdf/1507.07291
http://arxiv.org/abs/1507.07291
https://ucrisportal.univie.ac.at/de/publications/317be53c-e349-47cc-b0ee-1476b5b23f2c
https://doi.org/10.1017/S095679251600053X
https://www.cambridge.org/core/product/identifier/S095679251600053X/type/journal_article
https://arxiv.org/pdf/1507.07291.pdf
https://arxiv.org/abs/1507.07291
http://ui.adsabs.harvard.edu/abs/2015arXiv150707291D/abstract

Gaussian Radial Basis Functions and Inner-Product Spaces: Gaussian radial basis functions and inner product spaces.

Autori: Irwin W. Sandberg

Zdroj: Lecture Notes in Computer Science ISBN: 9783540424864

Predmety: 03 medical and health sciences, Abstract approximation theory (approximation in normed linear spaces and other abstract spaces), 0302 clinical medicine, 4. Education, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, Approximation by other special function classes, uniform approximate

Popis súboru: application/xml

Prístupová URL adresa: https://zbmath.org/1716866
https://doi.org/10.1007/bf01270933
https://dblp.uni-trier.de/db/conf/icann/icann2001.html#Sandberg01
https://link.springer.com/content/pdf/10.1007%2F3-540-44668-0_25.pdf
https://rd.springer.com/chapter/10.1007/3-540-44668-0_25
https://link.springer.com/article/10.1007/BF01270933
https://link.springer.com/content/pdf/10.1007/BF01270933.pdf
https://link.springer.com/article/10.1007%2FBF01270933

Uniform approximation of Poisson integrals of functions from the class H ω by de la Vallée Poussin sums: Uniform approximation of Poisson integrals of functions from the class \(H_\omega\) by de la Vallée Poussin sums

Autori: A. S. Serdyuk Ie. Yu. Ovsii

Zdroj: Analysis Mathematica. 38:305-325

Predmety: Kolmogorv-Nikol'skii problem, asymptotice equalities, Mathematics - Classical Analysis and ODEs, de la Vallée Poussin sums, Classical Analysis and ODEs (math.CA), FOS: Mathematics, 42A10, 0101 mathematics, 01 natural sciences, Approximation by other special function classes

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/pdf/1104.3060
http://arxiv.org/abs/1104.3060
https://arxiv.org/abs/1104.3060
http://ui.adsabs.harvard.edu/abs/2011arXiv1104.3060S/abstract
https://akjournals.com/view/journals/10476/38/4/article-p305.xml
https://link.springer.com/content/pdf/10.1007%2Fs10476-012-0403-1.pdf
https://link.springer.com/article/10.1007/s10476-012-0403-1
https://rd.springer.com/article/10.1007/s10476-012-0403-1

Approximating periodic functions in Hölder type metrics by Fourier sums and Riesz means

Autori: V. V. Zhuk

Zdroj: Journal of Mathematical Sciences. 150:2045-2055

Predmety: Fourier, Trigonometric approximation, approximation method, structural property, general result, periodic function, 0101 mathematics, 01 natural sciences, Approximation by other special function classes

Popis súboru: application/xml

Prístupová URL adresa: https://link.springer.com/article/10.1007%2Fs10958-008-0121-1

Vector Errors in Spherical Harmonic Analysis of Scalar Data: Vector errors in spherical harmonic analysis of scalar data

Autori: F. J. Lowes

Zdroj: Geophysical Journal of the Royal Astronomical Society. 42:637-651

Predmety: Applications to the sciences, Numerical methods for trigonometric approximation and interpolation, Harmonic, subharmonic, superharmonic functions in two dimensions, Spherical harmonics, 01 natural sciences, Approximation by other special function classes, 0105 earth and related environmental sciences

Popis súboru: application/xml

Prístupová URL adresa: https://zbmath.org/3495564
https://academic.oup.com/gji/article/42/2/637/651589

Trapezoidal approximations of fuzzy numbers—revisited: Trapezoidal approximations of fuzzy numbers -- revisited

Autori: Przemysław Grzegorzewski Edyta Mrówka

Zdroj: Fuzzy Sets and Systems. 158:757-768

Predmety: expected interval, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, Theory of fuzzy sets, etc, approximation of fuzzy numbers, Approximation by other special function classes

Popis súboru: application/xml

A note on trapezoidal approximations of fuzzy numbers

Autori: Chi-Tsuen Yeh

Zdroj: Fuzzy Sets and Systems. 158:747-754

Predmety: trapezoidal approximation, 0202 electrical engineering, electronic engineering, information engineering, linear operator, centroid point, 02 engineering and technology, distance, Theory of fuzzy sets, etc, Approximation by other special function classes

Popis súboru: application/xml

Nonlinear $N$-term approximation by refinable functions: Nonlinear \(N\)-term approximation by refinable functions

Autori: Yu. Brudnyĭ

Zdroj: St. Petersburg Mathematical Journal. 16:143-180

Predmety: multivariate approximation, Algorithms for approximation of functions, Multidimensional problems, refinable function, Rate of convergence, degree of approximation, Nontrigonometric harmonic analysis involving wavelets and other special systems, Sobolev spaces and other spaces of ''smooth' functions, embedding theorems, trace theorems, dilation matrix, Sobolev space, Approximation by other special function classes, optimal degree of approximation, approximation algorithm, nonlinear approximation

Popis súboru: application/xml

Prístupová URL adresa: https://www.ams.org/spmj/2005-16-01/S1061-0022-04-00846-5/S1061-0022-04-00846-5.pdf
https://zbmath.org/2165593
https://doi.org/10.1090/s1061-0022-04-00846-5
https://www.ams.org/spmj/2005-16-01/S1061-0022-04-00846-5/S1061-0022-04-00846-5.pdf
https://www.ams.org/journals/spmj/2005-16-01/S1061-0022-04-00846-5/home.html

Convergence rates of vector cascade algorithms in Lp: Convergence rates of vector cascade algorithms in \(L_p\)

Autori: Song Li

Zdroj: Journal of Approximation Theory. 137:123-142

Predmety: Multiple refinable functions, multiple refinable functions, cascade algorithm, refinement equation, Refinement equation, Rate of convergence, degree of approximation, Convergence rates, Nontrigonometric harmonic analysis involving wavelets and other special systems, Smoothness, 01 natural sciences, Approximation by other special function classes, convergence rates, Cascade algorithm, 0101 mathematics, smoothness

Popis súboru: application/xml

Prístupová URL adresa: https://dblp.uni-trier.de/db/journals/jat/jat137.html#Li05a
https://www.sciencedirect.com/science/article/pii/S0021904505001553
http://www.sciencedirect.com/science/article/pii/S0021904505001553
https://doi.org/10.1016/j.jat.2005.07.010
https://dialnet.unirioja.es/servlet/articulo?codigo=1338520

Gaussian quadratures for approximate of fuzzy integrals

Autori: Tofigh Allahviranloo Mahmood Otadi

Zdroj: Applied Mathematics and Computation. 170:874-885

Predmety: numerical examples, fuzzy number, Gaussian quadrature, Fuzzy real analysis, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, 0101 mathematics, fuzzy integral, Numerical quadrature and cubature formulas, 01 natural sciences, Approximation by other special function classes, Approximate quadratures

Popis súboru: application/xml

Prístupová URL adresa: https://www.sciencedirect.com/science/article/pii/S0096300305000299
https://dblp.uni-trier.de/db/journals/amc/amc170.html#AllahviranlooO05