Results 171 to 180 of about 4,157,742 (220)

Enhancing low-cost sensor performance for THD monitoring in smart meters using AI algorithms. [PDF]

Sci Rep
Nacima O, Chouaib L, Meneceur R, Bebboukha A, Hechifa A, Zaitsev I.   +5 more
europepmc   +1 more source

Mechanical behavior and energy absorption capability of trigonometric function curved rod cell-based lattice structures under compressive loading. [PDF]

Sci Rep
Zhang L, Wu J, Zhao Y, Qin Z.
europepmc   +1 more source

A Novel Image Encryption Scheme Based on Two-Dimensional Chaotic Map Constructed from Ackley Function and DNA Operations. [PDF]

Entropy (Basel)
Jiang C, Zhang X, Zhang X.
europepmc   +1 more source

Trigonometric-series solution for analysis of laminated composite beams

Composite Structures, 2017
© 2016 Elsevier Ltd A new analytical solution based on a higher-order beam theory for static, buckling and vibration of laminated composite beams is proposed in this paper. The governing equations of motion are derived from Lagrange's equations.
Trung-Kien Nguyen, Huu-Tai Thai, Thuc Võ   +2 more
exaly   +2 more sources

Pointwise universal trigonometric series [PDF]

Journal of Mathematical Analysis and Applications, 2009
A series $S_a=\sum\limits_{n=-\infty}^\infty a_nz^n$ is called a {\it pointwise universal trigonometric series} if for any $f\in C(\T)$, there exists a strictly increasing sequence $\{n_k\}_{k\in\N}$ of positive integers such that $\sum\limits_{j=-n_k ...
Shkarin, Stanislav
exaly   +4 more sources

On the Lebesgue summability of double trigonometric series [PDF]

Journal of Mathematical Analysis and Applications, 2008
We recall that the Lebesgue summability of a single trigonometric series is defined in terms of the symmetric differentiability of the sum of the formally integrated trigonometric series in question. In this paper, we present another proof of the theorem
Ferenc Mòricz
exaly   +2 more sources

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On the Convergence of Trigonometric Seri

Journal of Mathematics and Physics, 1943
Aus \(\sum \varrho_k^2 < \infty\) und einer einfachen Bedingung über die \(n_k\) folgt, daß \(\sum \varrho_k \cos n_k x\) fast überall konvergiert.
openaire   +1 more source

ON TRIGONOMETRIC FOURIER SERIES

Mathematics of the USSR-Sbornik, 1976
This paper studies the problem of the convergence and summability of simple and multiple trigonometric Fourier series.Bibliography: 21 titles.
openaire   +2 more sources

Uniqueness of Trigonometric Series

Journal of Contemporary Mathematical Analysis (Armenian Academy of Sciences), 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

Universality and summability of trigonometric polynomials and trigonometric series

Periodica Mathematica Hungarica, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Luis Bernal-González, María Del Carmen Calderón-Moreno, Wolfgang Luh   +2 more
openaire   +1 more source