Results 181 to 190 of about 54,190 (232)

Near-field-free super-potential FFT method for the three-dimensional free-space Poisson equation

Exl L, Schaffer S.
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Analytically grounded full-wave methods for advances in computational electromagnetics. [PDF]

Philos Trans A Math Phys Eng Sci
Lucido M, Kobayashi K, Nosich AI, Pérez Arancibia C, Vukovic A.   +4 more
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Inspection of stability of a general roll-damping of a ship via non-perturbative approach. [PDF]

Sci Rep
Moatimid GM, Mohamed MAA, Abohamer MK.
europepmc   +1 more source

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Bernstein Fractal Trigonometric Approximation

Acta Applicandae Mathematicae, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Vijender Nallapu
exaly   +3 more sources

Monotone Trigonometric Approximation

Mediterranean Journal of Mathematics, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Leviatan, D., Sidon, J.
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An Interpolatory Rational Trigonometric Approximation

SIAM Journal on Numerical Analysis, 1981
In this paper we introduce a sequence of positive linear, interpolating operators $\Lambda _n (n = 1,2, \cdots )$, which map $c_{2\pi } $ (class of continuous ${2\pi }$-periodic functions) into the set of rational trigonometric functions of order $ \leqq 2n - 2$. Moreover, they satisfy \[ \left| {f(x) - \Lambda _n (f,x)} \right| \leqq 2\omega _f \left(
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Approximation by local trigonometric splines

Mathematical Notes, 2005
Let \(W_\alpha\), \(\alpha>0\), be the class of 1-periodic functions \(f: {\mathbb R} \to {\mathbb R}\) having a locally absolutely continuous derivative \(f'\) for which \(\| f''+\alpha^2 f \| _{L_\infty [0,1]} \leq 1\). The authors consider approximation of \(W_\alpha\) by the space of 1-periodic trigonometric splines representable on each interval \(
Kostousov, K. V., Shevaldin, V. T.
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