Results 61 to 70 of about 1,841,091 (232)

Closed-form solutions of a nonlinear bidimensional difference system via generalized Fibonacci sequences

open access: yesAIMS Mathematics
This paper presents a new model for a two-dimensional nonlinear difference system that incorporates symmetric interactions between two sequences through a scaling parameter $ d $ and a continuous one-to-one transformation function $ f $.
Ahmed A. Al Ghafli
doaj   +1 more source

On a two-dimensional solvable system of difference equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2018
Here we solve the following system of difference equations $$x_{n+1}=\frac{y_ny_{n-2}}{bx_{n-1}+ay_{n-2}},\quad y_{n+1}=\frac{x_nx_{n-2}}{dy_{n-1}+cx_{n-2}},\quad n\in\mathbb{N}_0,$$ where parameters $a, b, c, d$ and initial values $x_{-j},$ $y_{-j}$, $j=
Stevo Stevic
doaj   +1 more source

A note on general solutions to a hyperbolic-cotangent class of systems of difference equations

open access: yesAdvances in Difference Equations, 2020
Recently there has been some interest in difference equations and systems whose forms resemble some trigonometric formulas. One of the classes of such systems is the so-called hyperbolic-cotangent class of systems of difference equations.
Stevo Stević
doaj   +1 more source

An Analysis of the Transition Zone Between the Various Scaling Regimes in the Small-World Model

open access: yes, 2006
We analyse the so-called small-world network model (originally devised by Strogatz and Watts), treating it, among other things, as a case study of non-linear coupled difference or differential equations.
Lochmann, Andreas, Requardt, Manfred
core   +2 more sources

A k-Dimensional System of Fractional Finite Difference Equations

open access: yesAbstract and Applied Analysis, 2014
We investigate the existence of solutions for a k-dimensional system of fractional finite difference equations by using the Kranoselskii’s fixed point theorem. We present an example in order to illustrate our results.
Dumitru Baleanu   +2 more
doaj   +1 more source

Solvability of a close to symmetric system of difference equations

open access: yesElectronic Journal of Differential Equations, 2016
The problem of solvability of a close to symmetric product-type system of difference equations of second order is investigated. Some recent results in the literature are extended.
Stevo Stevic   +2 more
doaj  

On a k-Order System of Lyness-Type Difference Equations

open access: yesAdvances in Difference Equations, 2007
We consider the following system of Lyness-type difference equations: x1(n+1)=(akxk(n)+bk)/xk−1(n−1), x2(n+1)=(a1x1(n)+b1)/xk(n−1), xi(n+1)=(ai−1xi−1(n)+bi−1)/xi−2(n−1), i=3,4,…,k, where ai, bi, i=1,2,…,k,
G. Papaschinopoulos   +2 more
doaj   +1 more source

Exact Solutions of System of Fourth-Order Difference Equations

open access: yesPan-American Journal of Mathematics
In this paper, we derive the solutions of system difference equations xn+1 = xn−1yn−3 / yn−1(a + bxn−1yn−3), yn+1 = yn−1xn−3 / xn−1(c + dyn−1xn−3), n∈N0, where the parameters a, b, c, d are real numbers and the initial conditions x−i and y−i for (i = 0,
Messaoud Berkal, Raafat Abo-Zeid
doaj   +1 more source

On the solutions of a three-dimensional system of difference equations

open access: yesKuwait Journal of Science, 2015
In this paper, we obtain the explicit solutions of the three-dimensional system of difference equations with multiplicative terms, which extended some results in literature.
Yasin Yazlık   +2 more
doaj  

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