Results 61 to 70 of about 38,570 (167)

Upadhyaya integral transform: A tool for solving non-linear Volterra integral equations [PDF]

open access: yesMathematics and Computational Sciences
These days, integral equations govern a wide range of physical processes, including those related to electricity, mechanics, fluid dynamics, ecology, soil moisture dynamics, shallow water wave propagation, and chemical science.
Hossein Jafari, Sudhanshu Aggarwal
doaj   +1 more source

Integration in terms of exponential integrals and incomplete gamma functions

open access: yesACM Communications in Computer Algebra, 2015
Indefinite integration means that given f in some set we want to find g from possibly larger set such that f = g '. When f and g are required to be elementary functions due to work of among others ...
openaire   +2 more sources

Diversity of solitary wave structures in Kerr media: Analyzing the complex paraxial wave equation in fiber optic communication systems

open access: yesAin Shams Engineering Journal
This study explores the paraxial nonlinear Schrödinger equation in Kerr media, a key model for optical fiber systems. Complex wave transformations reduce the model to a nonlinear ODE, enabling the generation of diverse solutions: bright, dark, bright ...
U. Younas   +5 more
doaj   +1 more source

Integral Estimates for Laguerre Polynomials with Exponential Weight Function

open access: yesRussian Mathematics, 2020
This paper deals with the system of functions \(\{\lambda_n\}_{n\in\mathbb N}\) orthogonal with respect to the Sobolev-type inner product \[ \langle f,g \rangle= f(0) g(0)+\int_{0}^\infty f'(x) g'(x) dx. \] These functions are expressed in terms of classical Laguerre polynomials and using several of their properties some asymptotic formulas for the ...
openaire   +3 more sources

Calculation of Sommerfeld Integrals in Dipole Radiation Problems

open access: yesMathematics
This article proposes asymptotic methods for calculating Sommerfeld integrals, which enable us to calculate the integral using the expansion of a function into an infinite power series at the saddle point, where the role of a rapidly oscillating function
Seil Sautbekov   +3 more
doaj   +1 more source

Asymptotic behavior of solutions to wave equations with a memory condition at the boundary

open access: yesElectronic Journal of Differential Equations, 2001
In this paper, we study the stability of solutions for wave equations whose boundary condition includes a integral that represents the memory effect. We show that the dissipation is strong enough to produce exponential decay of the solution, provided the
Mauro de Lima Santos
doaj  

An innovative multivariate method for exploring soliton dynamics in nonlinear models

open access: yesResults in Engineering
This article presents the multivariate generalized exponential rational integral function method (MGERIFM) for addressing the (1+1)-dimensional generalized Kundu-Eckhaus equation (GKEE).
Muhammad Abdaal Bin Iqbal   +4 more
doaj   +1 more source

Barrier Function-Based Adaptive Super-Twisting Integral Terminal Sliding Mode Control for a Quad-Rotor UAV

open access: yesIEEE Access
In this paper, a novel barrier function-based super-twisting integral terminal sliding mode control algorithm is proposed for a quad-rotor unmanned aerial vehicle (UAV).
Xinxin Chen
doaj   +1 more source

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