Results 11 to 20 of about 518,009 (229)
Enhancing curve and surface applications with trigonometric polynomial basis functions [PDF]
PLoS ONEAqsa Rasheed +3 more
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Edge detection with trigonometric polynomial shearlets [PDF]
Advances in Computational Mathematics, 2019 In this paper, we show that certain trigonometric polynomial shearlets which are special cases of directional de la Vallée Poussin-type wavelets are able to detect step discontinuities along boundary curves of periodic characteristic functions. Motivated
Kevin Schober +2 more
semanticscholar +1 more source
Trigonometric words ranking model for spam message classification
IET Networks, EarlyView., 2022 Abstract The significant increase in the volume of fake (spam) messages has led to an urgent need to develop and implement a robust anti‐spam method. Several of the current anti‐spam systems depend mainly on the word order of the message in determining the spam message, which results in the system's inability to predict the correct type of message when
Suha Mohammed Hadi +7 more
wiley +1 more source
Open Mathematics, 2021 Fourier approximation plays a key role in qualitative theory of deterministic and random differential equations. In this paper, we will develop a new approximation tool.
Zhang Zhihua
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About trigonometric-polynomial bounds of sinc function
Mathematical sciences and applications e-notes, 2020 In this article, we establish sharp trigonometric-polynomial bounds for unnormalized sinc function.
R. Dhaigude +2 more
semanticscholar +1 more source
Proposing a New Theorem to Determine If an Algebraic Polynomial Is Nonnegative in an Interval
Mathematics, 2021 We face the problem to determine whether an algebraic polynomial is nonnegative in an interval the Yau Number Theoretic Conjecture and Yau Geometric Conjecture is proved.
Ke-Pao Lin +3 more
doaj +1 more source
High Performance Implementation and Optimization of Trigonometric Functions Based on SIMD [PDF]
Jisuanji kexue, 2021 As a basic mathematical operation,the high-performance implementation of trigonometric functions is of great significance to the construction of the basic software ecology of the processor.Especially,the current processors have adopted the SIMD ...
YAO Jian-yu, ZHANG Yi-wei, ZHANG Guang-ting, JIA Hai-peng
doaj +1 more source
Parameter N Analysis on the Rational-Talbot Algorithm for Numerical Inversion of Laplace Transform
Vetor, 2021 This article investigates the numerical inversion of the Laplace Transform by the Rational-Talbot method and analyzes the influence on the variation of the free parameter N established by the technique when applied to certain functions.
Elisandra Freitas +4 more
doaj +5 more sources
Microorganisms, 2022 Bacillus amyloliquefaciens BLB369 is an important plant growth-promoting bacterium, which produces antifungal compounds. A statistics-based experimental design was used to optimize a liquid culture medium using inexpensive substrates for increasing its ...
Imen Zalila-Kolsi +3 more
doaj +1 more source
Rational integrability of trigonometric polynomial potentials on the flat torus [PDF]
, 2017 We consider a lattice ℒ ⊂ ℝn and a trigonometric potential V with frequencies k ∈ ℒ. We then prove a strong rational integrability condition on V, using the support of its Fourier transform.
Thierry Combot
semanticscholar +1 more source