Results 21 to 30 of about 282,372 (261)

Solution of Bernstein's Approximation Problem [PDF]

open access: yesProceedings of the American Mathematical Society, 1953
In his famous monograph on approximation theory [2], S. Bernstein initiated the study of the closure properties of sets of functions {unK(u) }I on the real line. It is supposed that K(u) is continuous on (, o ) and that unK(u) vanishes at u = ? o for each value of n.
openaire   +2 more sources

Approximate solution of inhomogeneous fractional differential equation

open access: yesAdvances in Nonlinear Analysis, 2012
In this paper, we study the stability of a class of inhomogeneous fractional differential equations involving Caputo derivative. The approximate solutions have been studied.
Dutta Biju K., Arora Laxmi K.
doaj   +1 more source

An approximate solution for the time-fractional diffusion equation

open access: yesJournal of Innovative Applied Mathematics and Computational Sciences, 2022
In this paper, a numerical method based on a finite difference scheme is proposed for solving the time-fractional diffusion equation (TFDE). The TFDE is obtained from the standard diffusion equation by replacing the first-order time derivative with ...
Sayed Ali Ahmad Mosavi
doaj   +1 more source

Approximating Solution Structure

open access: yes, 2007
Contains fulltext : 55507.pdf (Publisher’s version ) (Open Access)
van Rooij, Iris   +3 more
openaire   +5 more sources

Approximate analytical solution for mathematical models of thermal ignition and non-isothermal catalytic zero order reaction in a spherical geometry

open access: yesJournal of King Saud University: Engineering Sciences, 2019
In this paper an approximate analytical solution for the Frank-Kamenetskii equation modeling thermal ignition without the depletion of the combustibles in a spherical annulus and non-isothermal zero order reaction in spherical catalyst particle is ...
Moustafa Aly Soliman
doaj   +1 more source

Effect of higher approximation of Krylov-Bogoliubov-Mitropolskii's solution and matched asymptotic solution of a differential system with slowly varying coefficients and damping near to a turning point

open access: yesVietnam Journal of Mechanics, 2004
Second approximate solution of a second order differential equation with slowly varying coefficients and damping is obtained by Krylov-Bogoliubov-Mitropolskii method. The method is illustrated by an example.
Roy K. C., Shamsul Alam M.
doaj   +1 more source

Approximate Solution of Schrodinger Equation to Diatomic Molecule for Harmonic Oscillator

open access: yesUMYU Scientifica Journal, 2023
This study has described the approximate solution of Schrodinger equation to diatomic molecule for harmonic oscillator. The solution procedure is developed by the Power series method and Newton’s second law.
Alhaji Tahir, Bukar Hassan
doaj   +1 more source

Filtration of the underground water to the workings of a large diameter

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2019
An approximate solution obtained by the author for the problem of the flow of pressure groundwater to a large-diameter water receiving system with a disturbed aquifer with a constant flow rate has been given. The solution has been obtained using the most
M. M. Burakov
doaj   +1 more source

Dependence of the Analytical Approximate Solution to the Van der Pol Equation on the Perturbation of a Moving Singular Point in the Complex Domain

open access: yesAxioms, 2023
This paper considers a theoretical substantiation of the influence of a perturbation of a moving singular point on the analytical approximate solution to the Van der Pol equation obtained earlier by the author.
Victor Orlov
doaj   +1 more source

The Approximate Solution of Some Plane Boundary Value Problems of the Moment Theory of Elasticity

open access: yesAdvances in Mathematical Physics, 2016
We consider a two-dimensional system of differential equations of the moment theory of elasticity. The general solution of this system is represented by two arbitrary harmonic functions and solution of the Helmholtz equation.
Roman Janjgava
doaj   +1 more source

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