Results 21 to 30 of about 82,974,090 (300)

Wavelet-Based Adaptive Solution for the Nonuniform Multiconductor Transmission Lines [PDF]

open access: yes, 1998
—A time-domain technique for the solution of arbi-trary nonuniform multiconductor transmission lines (NMTL’s) is presented. The technique is based on a weak formulation of the NMTL equations obtained through spatial expansion of the voltage and current ...
S. Grivet-talocia   +4 more
core   +1 more source

On computational analysis of highly nonlinear model addressing real world applications

open access: yesResults in Physics, 2022
This paper presents a numerical strategy for solving boundary value problems (BVPs) that is based on the Haar wavelets method (HWM). BVPs having high Prandtl numbers are discussed, Because they are very important in many practical problems of science and
Shahid Ali   +5 more
doaj   +1 more source

Computing continuous-time growth models with boundary conditions via wavelets [PDF]

open access: yes, 2004
This paper presents an algorithm for approximating the solution of deterministic/stochastic continuous-time growth models based on the Euler's equation and the transversality conditions.
Mercedes Esteban-bravo   +3 more
core   +1 more source

A New Fractional Integration Operational Matrix of Chebyshev Wavelets in Fractional Delay Systems

open access: yesFractal and Fractional, 2019
Fractional integration operational matrix of Chebyshev wavelets based on the Riemann−Liouville fractional integral operator is derived directly from Chebyshev wavelets for the first time.
Iman Malmir
doaj   +1 more source

Wavelet-based Methods for Numerical Solutions of Differential Equations

open access: yesCoRR, 2019
Wavelet theory has been well studied in recent decades. Due to their appealing features such as sparse multiscale representation and fast algorithms, wavelets have enjoyed many tremendous successes in the areas of signal/image processing and computational mathematics.
Bin Han 0003   +2 more
openaire   +2 more sources

New Ultraspherical Wavelets Spectral Solutions for Fractional Riccati Differential Equations

open access: yesAbstract and Applied Analysis, 2014
We introduce two new spectral wavelets algorithms for solving linear and nonlinear fractional-order Riccati differential equation. The suggested algorithms are basically based on employing the ultraspherical wavelets together with the tau and collocation
W. M. Abd-Elhameed, Y. H. Youssri
doaj   +1 more source

Fibonacci wavelet method for solving time-fractional telegraph equations with Dirichlet boundary conditions

open access: yesResults in Physics, 2021
In this article, a new and efficient operational matrix method based on the amalgamation of Fibonacci wavelets and block pulse functions is proposed for the solutions of time-fractional telegraph equations with Dirichlet boundary conditions.
Firdous A. Shah   +4 more
doaj   +1 more source

On a Wavelet-Based Method for the Numerical Simulation of Wave Propagation

open access: yesJournal of Computational Physics, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Hong, Tae-Kyung, Kennett, Brian
openaire   +2 more sources

APPROXIMATELY SINGULAR WAVELET

open access: yesСистемный анализ и прикладная информатика, 2018
The problem of approximation is relevant for most engineering applications. In this connection, the universal methods of approximation are of interest. The method of nonparametric approximation is developing in the paper – the method of singular wavelets.
V. M. Romanchak
doaj   +1 more source

The Galerkin method for the numerical solution of some class of differential equations by utilizing Gegenbauer wavelets

open access: yesJournal of Innovative Applied Mathematics and Computational Sciences
Many differential equations that emerge from modeling physical phenomena do not always possess well-known analytical solutions. Additionally, wavelets have attracted considerable attention from both theoretical and applied researchers in recent decades.
Lingaraj Angadi
doaj   +1 more source

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