Results 11 to 20 of about 73,046 (353)

Numerical integration methods of the Vlasov equation [PDF]

open access: yesJournal of Computational Physics, 1971
Abstract The methods of integrating the nonlinear Vlasov equation are reviewed, compared and interrelations are investigated. Another method is given which allows a truncation of the resulting infinite matrix without causing numerical instabilities. Its application to the linear and nonlinear Vlasov equation is discussed.
Glenn Joyce, Georg Knorr, Homer K Meier
openaire   +3 more sources

A numerical method for multidimensional Volterra integral equations

open access: yesApplied Mathematical Sciences, 2022
In this paper, we introduce a new numerical procedure to solve multi-dimensional Volterra integral equations, based on the weighted mean-value theorem. Our method allows to determine a system of nonlinear equations, where the rst one is obtained via the application of the theoretical results, and the remaining ones are built through a Picard-like ...
Immacolata Oliva   +1 more
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A method for the numerical integration of ordinary differential equations [PDF]

open access: yesMathematics of Computation, 1958
where y(x) denotes the solution of the differential equation. The idea is to use a quadrature formula to estimate the integral of (1). This requires knowledge of the integrand at specified arguments xi in (x0, xo + h)-hence we require the values of y(x) at these arguments.
Stoller, L., Morrison, D.
openaire   +1 more source

On the Numerical Integration of Ordinary Differential Equations by Processed Methods [PDF]

open access: yesSIAM Journal on Numerical Analysis, 2004
A one-step integrator \(\psi_h: \mathbb{R}^D\to \mathbb{R}^D\) with time step \(h\) for an ordinal differential equation \(x'= f(x)\), \(f: \mathbb{R}^D\to \mathbb{R}^D\), can be enhanced by ``processing'' based on a postprocessors \(\pi_h: \mathbb{R}^D\to \mathbb{R}^D\), to obtain a new integrator \(\widehat\psi_h:=\pi_h\circ\psi_h\circ \pi^{-1}_h ...
Sergio Blanes   +2 more
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The Cardinal Spline Methods for the Numerical Solution of Nonlinear Integral Equations

open access: yesJournal of Chemistry, 2020
In this study, an effective technique is presented for solving nonlinear Volterra integral equations. The method is based on application of cardinal spline functions on small compact supports.
Xiaoyan Liu   +3 more
doaj   +1 more source

An Effective Local Radial Basis Function Method for Solving the Delay Volterra Integral Equation of Nonvanishing and Vanishing Types

open access: yesJournal of Mathematics, 2022
This paper presents a numerical method for solving a class of the delay Volterra integral equation of nonvanishing and vanishing types by applying the local radial basis function method.
Neda Khaksari   +2 more
doaj   +1 more source

Volterra integral equations and fractional calculus: Do neighbouring solutions intersect? [PDF]

open access: yes, 2012
This is the author's PDF version of an article published in Journal of Integral Equations and Applications. The definitive version is available at rmmc.asu.edu/jie/jie.html.This journal article considers the question of whether or not the solutions to ...
Diethelm, Kai, Ford, Neville J.
core   +1 more source

An Innovative Approach to Nonlinear Fractional Shock Wave Equations Using Two Numerical Methods

open access: yesMathematics, 2023
In this research, we propose a combined approach to solving nonlinear fractional shock wave equations using an Elzaki transform, the homotopy perturbation method, and the Adomian decomposition method. The nonlinear fractional shock wave equation is first
Meshari Alesemi
doaj   +1 more source

Conservative numerical methods for model kinetic equations [PDF]

open access: yes, 2007
A new conservative discrete ordinate method for nonlinear model kinetic equations is proposed. The conservation property with respect to the collision integral is achieved by satisfying at the discrete level approximation conditions used in deriving the ...
Titarev, Vladimir A.
core   +1 more source

A New Method of Numerical Integration of Differential Equations [PDF]

open access: yesMathematics of Computation, 1964
L'A. propose une méthode d'intégration approchée de \(y'=f(x, y)\) dans laquelle \(y'\) est évalué par extrapolation au début du pas et par substitution au milieu. Un exemple est donné. La méthode utilise, comme l'avait suggéré l'A. de cette analyse, à la fois le principe de Runge-Kutta et celui des méthodes à pas liés.
openaire   +1 more source

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