Results 31 to 40 of about 1,407,788 (320)

Solving of some nonlinear ordinary differential equations in the form of power series

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2022
In the current scientific literature, a variety of nonlinear ordinary differential equations are widely and successfully used to describe real processes in various fields of natural sciences: optics, elasticity theory, molecular physics, etc. For example,
I.N. Belyaeva   +2 more
doaj   +1 more source

Solutions of nonlinear differential equations [PDF]

open access: yesNonlinear Differential Equations and Applications NoDEA, 2009
We consider an ordinary nonlinear differential equation with generalized coefficients as an equation in differentials in algebra of new generalized functions. Then the solution of such equation will be a new generalized function. In the article we formulate necessary and sufficient conditions when the solution of the given equation in algebra of new ...
Bedziuk, Nadzeya, Yablonski, Aleh
openaire   +3 more sources

On Multilevel Picard Numerical Approximations for High-Dimensional Nonlinear Parabolic Partial Differential Equations and High-Dimensional Nonlinear Backward Stochastic Differential Equations [PDF]

open access: yesJournal of Scientific Computing, 2017
Parabolic partial differential equations (PDEs) and backward stochastic differential equations (BSDEs) are key ingredients in a number of models in physics and financial engineering.
W. E   +3 more
semanticscholar   +1 more source

Asymptotic stability of solutions of nonlinear fractional differential equations of order 1 < α < 2

open access: yes上海师范大学学报. 自然科学版, 2015
This paper is mainly concerned with the asymptotic stability of the solutions of a class of nonlinear fractional differential equations of order 1 < α < 2 in a weighted Banach space.
GE Fudong, KOU Chunhai
doaj   +1 more source

Position Dependent Mass Approach and Quantization for a Torus Lagrangian

open access: yes, 2016
We have shown that a Lagrangian for a torus surface can yield second order nonlinear differential equations using the Euler-Lagrange formulation. It is seen that these second order nonlinear differential equations can be transformed into the nonlinear ...
Yesiltas, Ozlem
core   +1 more source

Homotopy perturbation transform method for nonlinear differential equations involving to fractional operator with exponential kernel

open access: yesAdvances in Differential Equations, 2017
This work presents the homotopy perturbation transform method for nonlinear fractional partial differential equations of the Caputo-Fabrizio fractional operator. Perturbative expansion polynomials are considered to obtain an infinite series solution. The
J. Gómez-Aguilar   +5 more
semanticscholar   +1 more source

Improved ()-Expansion Method for the Space and Time Fractional Foam Drainage and KdV Equations

open access: yesAbstract and Applied Analysis, 2013
The fractional complex transformation is used to transform nonlinear partial differential equations to nonlinear ordinary differential equations. The improved ()-expansion method is suggested to solve the space and time fractional foam drainage and KdV ...
Ali Akgül   +2 more
doaj   +1 more source

A New Application of Hermite Collocation Method [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences, 2019
This paper reflects the advantage of a new approach of using Hermite orthogonal basis elements to solve nonlinear differential equations. This method is based on a successive integration technique. To illustrate the method and to establish the efficiency
Chandrali Baishya
doaj   +1 more source

Perturbations of nonlinear differential equations [PDF]

open access: yesTransactions of the American Mathematical Society, 1973
Scalar and vector comparison techniques are used to study the comparative asymptotic behavior of the systems (I) x' = f(t,x) and (2) y' = f(t,y) + g(t,y). Conditions are given which allow bounds for the solutions of (2) to-be obtained assuming a knowledge of the solutions of (1) and which guarantee the generalized asymptotic equivalence of (1) and (2).
Fennell, R. E., Proctor, T. G.
openaire   +1 more source

Moment and SDP relaxation techniques for smooth approximations of problems involving nonlinear differential equations

open access: yes, 2010
Combining recent moment and sparse semidefinite programming (SDP) relaxation techniques, we propose an approach to find smooth approximations for solutions of problems involving nonlinear differential equations.
Henrion, Didier   +2 more
core   +2 more sources

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