Results 11 to 20 of about 95,553 (284)
Applications of Fractional Differentiation Matrices in Solving Caputo Fractional Differential Equations [PDF]
Fractal and Fractional, 2023 This paper pursues obtaining Jacobi spectral collocation methods to solve Caputo fractional differential equations numerically. We used the shifted Jacobi–Gauss–Lobatto or Jacobi–Gauss–Radau quadrature nodes as the collocation points and derived the ...
Zhongshu Wu +3 more
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A Richardson’s Extrapolation Spreadsheet Calculator for Numerical Differentiation [PDF]
Spreadsheets in Education, 2013 Even though approximating the definite differentiation by Richardson’s extrapolation method is straight forward, but its repetitive calculations are quite boring. Hence, there is a need to develop a suitable tool in teaching and learning for this method.
Kim Gaik Tay +4 more
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Numerical Differentiation and Integration through Aitken-Neville Schemes [PDF]
International Journal of Analysis and Applications, 2013 Some new formulas are given to approximate higher order derivatives and integrals through Aitken-Neville iterative schemes for arbitrary spaced grids. An algorithm is given in MATLAB for numerical differentiation. Also, numerical examples are provided to
Ramesh Kumar Muthumalai
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Numerical differentiation on irregular grids [PDF]
, 2011 International audienceIn this article, we propose a multidimensional numerical differentiation method from irregularly sampled data, in a noisy environment.
Mboup, Mamadou +2 more
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Sensors, 2020 We present a filtering technique that allows estimating the time derivative of slowly changing temperature measured via quantized sensor output in real time.
Alexander Kozlov, Ilya Tarygin
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IEEE Access, 2021 This contribution reports a comparative analysis of two methodologies for the periodic steady-state solution of linear and nonlinear electric networks in time-domain (TD), based on the state-space model (SSM) and companion-circuit analysis (CCA ...
Julio Cesar Godinez-Delgado +1 more
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Mathematical Modelling and Analysis, 2005 The practical realization of the morphologic analysis of radar subsurface as the processing of input digital data is presented here together with real data processing results. The analysis depends on a new numerical differentiation algorithm in frequency
A. Grakovski, A. Alexandrov
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IEEE Access, 2020 This contribution proposes an efficient methodology in time domain (TD) based on companion-circuit analysis (CCA) and a Newton method of extrapolation to the Limit Cycle (periodic steady state solution) based on a Numerical Differentiation (ND) process ...
Julio Cesar Godinez-Delgado +2 more
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Data smoothing with applications to edge detection
Open Mathematics, 2022 The aim of this paper is to present a new stable method for smoothing and differentiating noisy data defined on a bounded domain Ω⊂RN\Omega \subset {{\mathbb{R}}}^{N} with N≥1N\ge 1.
Al-Jamal Mohammad F. +2 more
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A Modification of Weeks' Method for Numerical Inversion of the Laplace Transform in the Real Case Based on Automatic Differentiation [PDF]
, 2008 Numerical inversion of the Laplace transform on the real axis is an inverse and ill-posed problem. We describe a powerful modification of Weeks' Method, based on automatic differentiation, to be used in the real inversion.
CUOMO, SALVATORE +7 more
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