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General solutions to systems of difference equations and some of their representations
Journal of Applied Mathematics and Computing ( IF 2.2 ) Pub Date : 2021-01-11 , DOI: 10.1007/s12190-020-01476-8
Amira Khelifa , Yacine Halim

Here we solve the following system of difference equations

$$ x^{(j)}_{n+1}=\frac{F_{m+2}+F_{m+1}x^{((j+1)mod(p))}_{n-k}}{F_{m+3} +F_{m+2}x^{((j+1)mod(p))}_{n-k}},\quad n,m, p, k \in N_0, j=\overline{1,p}, $$

where \(\left( F_{n}\right) _{n=0}^{+\infty }\) is the Fibonacci sequence. We give a representation of its general solution in terms of Fibonacci numbers and the initial values. Some theoretical justifications related to the representation for the general solution are also given.



中文翻译:

差分方程组及其表示的一般解

在这里,我们解决以下差分方程组

$$ x ^ {((j)} _ {n + 1} = \ frac {F_ {m + 2} + F_ {m + 1} x ^ {(((j + 1)mod(p))} _ {nk }} {F_ {m + 3} + F_ {m + 2} x ^ {(((j + 1)mod(p))} _ {nk}},\ quad n,m,p,k \ in N_0, j = \ overline {1,p},$$

其中\(\ left(F_ {n} \ right)_ {n = 0} ^ {+ \ infty} \)是斐波那契数列。我们用斐波那契数和初始值来表示其一般解。还给出了与一般解表示有关的一些理论依据。

更新日期:2021-01-11
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