Results 21 to 30 of about 1,153,963 (287)

Numerical Scheme based on Non-polynomial Spline Functions for ‎the System of Second Order Boundary Value Problems arising in ‎Various Engineering Applications [PDF]

Journal of Applied and Computational Mechanics, 2022
Several applications of computational science and engineering, including population dynamics, optimal control, and physics, reduce to the study of a system of second-order boundary value problems.
Anju Chaurasia, Yogesh Gupta, Prakash C. Srivastava   +2 more
doaj   +1 more source

Error analysis for an ALE evolving surface finite element method [PDF]

, 2014
We consider an arbitrary Lagrangian–Eulerian evolving surface finite element method for the numerical approximation of advection and diffusion of a conserved scalar quantity on a moving surface.
Brenner, Croft, Dziuk, Dziuk, Dziuk, Dziuk, Dziuk, Dziuk, Dziuk, Elliott, Elliott, Elliott, Elliott, Elliott, Henderson, Lubich, Lubich, Neilson, Olshanskii, Schmidt, Vierling   +20 more
core   +2 more sources

Novel Approximations to the (Un)forced Pendulum–Cart System: Ansatz and KBM Methods

Mathematics, 2022
In the present investigation, some novel analytical approximations to both unforced and forced pendulum–cart system oscillators are obtained. In our investigation, two accurate and effective approaches, namely, the ansatz method with equilibrium point ...
Weaam Alhejaili, Alvaro H. Salas, Samir A. El-Tantawy   +2 more
doaj   +1 more source

A hyperbolic model of chemotaxis on a network: a numerical study [PDF]

, 2012
In this paper we deal with a semilinear hyperbolic chemotaxis model in one space dimension evolving on a network, with suitable transmission conditions at nodes. This framework is motivated by tissue-engineering scaffolds used for improving wound healing.
Bretti, Gabriella, Natalini, Roberto, Ribot, Magali   +2 more
core   +6 more sources

Brain correlates of non-symbolic numerosity estimation in low and high mathematical ability children.

PLoS ONE, 2009
Previous studies have implicated several brain areas as subserving numerical approximation. Most studies have examined brain correlates of adult numerical approximation and have not considered individual differences in mathematical ability.
Yulia Kovas, Vincent Giampietro, Essi Viding, Virginia Ng, Michael Brammer, Gareth J Barker, Francesca G E Happé, Robert Plomin   +7 more
doaj   +1 more source

Comparison of numerical and analytical approximations of the early exercise boundary of the American put option

, 2010
In this paper we present qualitative and quantitative comparison of various analytical and numerical approximation methods for calculating a position of the early exercise boundary of the American put option paying zero dividends.
Lauko, Martin, Sevcovic, Daniel
core   +1 more source

On numerical stability of continued fractions

Математичні Студії
The paper considers the numerical stability of the backward recurrence algorithm (BR-algorithm) for computing approximants of the continued fraction with complex elements.
V. Hladun, V. Кravtsiv, M. Dmytryshyn, R. Rusyn   +3 more
doaj   +1 more source

Kinetic simulation of vacuum plasma expansion beyond the "plasma approximation"

Vojnotehnički Glasnik, 2022
Introduction/purpose: One of the key approaches to solving an entire class of modern plasma physics problems is the so-called "plasma approximation". The most general definition of the "plasma approximation" is a theoretical approach to the electric ...
Vasily Y. Kozhevnikov, Andrey V. Kozyrev, Aleksandr O. Kokovin, Natalia S. Semeniuk   +3 more
doaj   +1 more source

A semi-Lagrangian scheme for the game $p$-Laplacian via $p$-averaging

, 2013
We present and analyze an approximation scheme for the two-dimensional game $p$-Laplacian in the framework of viscosity solutions. The approximation is based on a semi-Lagrangian scheme which exploits the idea of $p$-averages.
Falcone, M., Giorgi, T., Smits, R. G., Vita, S. Finzi   +3 more
core   +1 more source

The Novel Analytical–Numerical Method for Multi-Dimensional Multi-Term Time-Fractional Equations with General Boundary Conditions

Mathematics, 2023
This article presents a simple but effective two-step analytical–numerical algorithm for solving multi-dimensional multi-term time-fractional equations.
Ji Lin, Sergiy Reutskiy, Yuhui Zhang, Yu Sun, Jun Lu   +4 more
doaj   +1 more source