Results 31 to 40 of about 459,748 (156)
The motion planning problem and exponential stabilization of a heavy chain. Part II [PDF]
Opuscula Mathematica, 2008 This is the second part of paper [P. Grabowski, The motion planning problem and exponential stabilization of a heavy chain. Part I, to appear in International Journal of Control], where a model of a heavy chain system with a punctual load (tip mass) in ...
Piotr Grabowski
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On Fourier Series in the Context of Jacobi Matrices
AxiomsWe investigate the properties of matrices that emerge from the application of Fourier series to Jacobi matrices. Specifically, we focus on functions defined by the coefficients of a Fourier series expressed in orthogonal polynomials.
José M. A. Matos +2 more
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Explicit collocation algorithm for the nonlinear fractional Duffing equation via third-kind Chebyshev polynomials [PDF]
Iranian Journal of Numerical Analysis and OptimizationHerein, we propose an accurate algorithm to approximate the solution of the nonlinear fractional-order Duffing equation (NFDE). The algorithm is based on using shifted Chebyshev polynomials of the third-kind as basis functions and the spectral ...
Y.H. Youssri +3 more
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Computation of Density Perturbation and Energy Flux of Internal Waves from Experimental Data
Fluids, 2020 We hereby present two different spectral methods for calculating the density anomaly and the vertical energy flux from synthetic Schlieren data, for a periodic field of linear internal waves (IW) in a density-stratified fluid with a uniform buoyancy ...
Lucie Bordois +2 more
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GDTF: Generalized Detection Theoretic Framework for T-Wave Alternans Analysis
IEEE Access, 2020 Detection and estimation of t-wave alternans (TWA) in presence of indispensable physiological artifacts is still a challenging task, as in most of the cases, the signal of interest resides well below the noise levels.
Ehsan Ullah +2 more
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Accurate Chebyshev collocation solutions for the biharmonic eigenproblem on a rectangle
Journal of Numerical Analysis and Approximation Theory, 2017 We are concerned with accurate Chebyshev collocation (ChC) solutions to fourth order eigenvalue problems. We consider the 1D case as well as the 2D case.
Imre Boros
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Molecules, 2013 Starting from theophylline (1,3-dimethylxanthine) new thiazolidin-4-one derivatives 7a1–7, 7b1–7 have been synthesized as potential antidiabetic drugs.
Lenuta Profire +4 more
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Thermal analysis of extended surfaces using deep neural networks
Open PhysicsThe complexity of thermal analysis in practical systems has emerged as a subject of interest in various fields of science and engineering. Extended surfaces, commonly called fins, are crucial cooling and heating mechanisms in many applications, such as ...
Oloniiju Shina Daniel +2 more
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Novel derivative operational matrix in Caputo sense with applications
Journal of Taibah University for ScienceThe main objective of this study is to present a computationally efficient numerical method for solving fractional-order differential equations with initial conditions.
Danish Zaidi +3 more
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Molecules, 2014 New thiazolidine-4-one derivatives of 2-(4-isobutylphenyl)propionic acid (ibuprofen) have been synthesized as potential anti-inflammatory drugs. The structure of the new compounds was proved using spectral methods (FR-IR, 1H-NMR, 13C-NMR, MS).
Ioana Mirela Vasincu +5 more
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