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The invariant subspace method for solving nonlinear fractional partial differential equations with generalized fractional derivatives [PDF]

open access: yesAdvances in Difference Equations, 2020
In this paper, we show that the invariant subspace method can be successfully utilized to get exact solutions for nonlinear fractional partial differential equations with generalized fractional derivatives. Using the invariant subspace method, some exact
Mohamed S. Abdel Latif   +2 more
doaj   +4 more sources

New Analytical Technique for Solving a System of Nonlinear Fractional Partial Differential Equations

open access: yesMathematics, 2017
This paper introduces a new analytical technique (NAT) for solving a system of nonlinear fractional partial differential equations (NFPDEs) in full general set. Moreover, the convergence and error analysis of the proposed technique is shown.
Hayman Thabet   +2 more
doaj   +4 more sources

Automatic computation of partial derivatives and rounding error estimates with applications to large-scale systems of nonlinear equations

open access: yesJournal of Computational and Applied Mathematics, 1988
The problem of computing the Jacobian of functions is studied in some detail. The main idea is to evaluate formulas and its (first partial) derivatives by sequences of very simple steps of the form \(v_ i=\phi_ i(u_{i1},u_{i2},...,u_{im})\) where the chain rule is used repeatedly for the derivatives and where the \(\phi_ i\) are predefined basic ...
Takashi Tsuchiya
exaly   +4 more sources

Nonlinear differential equation with first order partial derivatives

open access: yesВестник КазНУ. Серия математика, механика, информатика, 2018
The asymptotic behavior of solutions of a nonlinear differential equation with first-order partial derivatives solved with respect to one of the derivatives is investigated.
T. М. Aldibekov, M. M. Aldazharova
doaj   +2 more sources

A Least Squares Differential Quadrature Method for a Class of Nonlinear Partial Differential Equations of Fractional Order

open access: yesMathematics, 2020
In this paper a new method called the least squares differential quadrature method (LSDQM) is introduced as a straightforward and efficient method to compute analytical approximate polynomial solutions for nonlinear partial differential equations with ...
Constantin Bota   +4 more
doaj   +3 more sources

A fractional mathematical model with nonlinear partial differential equations for transmission dynamics of severe acute respiratory syndrome coronavirus 2 infection

open access: yesHealthcare Analytics, 2023
This study presents a fractional mathematical model based on nonlinear Partial Differential Equations (PDEs) of fractional variable-order derivatives for the host populations experiencing transmission and evolution of the Severe Acute Respiratory ...
Hayman Thabet, Subhash Kendre
doaj   +3 more sources

Dissipative/conservative Galerkin method using discrete partial derivatives for nonlinear evolution equations

open access: yesJournal of Computational and Applied Mathematics, 2008
The author proposes a new method for designing dissipative or conservative finite element schemes. The resulting schemes by the method can be implemented only with \(H^1\) elements. These schemes are suitable for Cahn-Hilliard, Korteweg-de Vries, and Schrödinger equations. The key device is the new concept of discrete partial derivatives.
Takayasu Matsuo
exaly   +2 more sources

On the solvability of a nonlinear optimization problem with boundary vector control of oscillatory processes [PDF]

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2023
In the paper, the solvability of the nonlinear boundary optimization problem has been investigated for the oscillation processes, described by the integro-differential equation in partial derivatives with Fredholm integral operator.
E.F. Abdyldaeva   +2 more
doaj   +2 more sources

Bäcklund Transformations for Liouville Equations with Exponential Nonlinearity

open access: yesAxioms, 2021
This work aims to obtain new transformations and auto-Bäcklund transformations for generalized Liouville equations with exponential nonlinearity having a factor depending on the first derivatives.
Tatyana V. Redkina   +3 more
doaj   +1 more source

Boundary Value Problem for Multi-Term Nonlinear Delay Generalized Proportional Caputo Fractional Differential Equations

open access: yesFractal and Fractional, 2022
A nonlocal boundary value problem for a couple of two scalar nonlinear differential equations with several generalized proportional Caputo fractional derivatives and a delay is studied.
Ravi P. Agarwal, Snezhana Hristova
doaj   +1 more source

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