U8n-2 U8n-6 U8n U8n-2 + U8n-4 + U8n-4-U8n-6
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question

Transcribed Image Text:e2n cn
an-1(c- e)"(a – c)n'
U8n-5 =
|
U8n-4 =
b2-1(d – f)"(b – d)n'
cn+1e2n
U8n-3 =
а" (а — с)"(с — е)п'
dn+1 f2n
b* (b – d)"(d – f)"'
e2n+1cn
U8n-2 =
U8n-1 =
a" (а — с)"(с — е)т"
U8n
br (b – d) (d – f)
cn+1e2n+1
U8n+1
a" (c – e)"(a – c)n+1>
dn+1 f2n+1
b* (d – f)"(b – d)n+1*
U8n+2
This work aims to investigate the equilibria, local stability, global attractivity
and the exact solutions of the following difference equations
Bun-1Un-5
Yun-3 - bun-5
Un+1 = aun-1+
n = 0, 1, ...,
(1)
Bun-1un-5
Un+1 = aun-1 -
n = 0,1, ...,
(2)
Yun-3 + dun-5
where the coefficients a, B, y, and & are positive real numbers and the initial con-
ditions u for all i =-5,-4, ..., 0, are arbitrary non-zero real numbers. We also
present the numerical solutions via some 2D graphs.
2. ON THE EQUATION un+1 = aun-1 +
Bun-1ün-s
yun-3-óun-5
This section is devoted to study the qualitative behaviors of Eq. (1). The
equilibrium point of Eq. (1) is given by
Un-1un-5
Un+1 = Un-1+
n = 0,1,...,
(10)
Un-3 - Un-5
d" f2n-2
br-1(b – d)n-1(d – f)n-1'
U8n-10 =
e2n-1cn-1
U8n-9 =
an-1(a – c)n-1(c - e)r-I'
f2n-1dn-1
bn-1(b – d)n-1(d – f)n-1'
c"e2n-1
an-1(c – e)n-1(a – c)n'
d" f2n-1
b2-1(d-f)n-1(b– d)n
U8n-8 =
U8n-7 =
U8n-6
U8n-2u8n-6
U8n = U8n-2 +
U8n-4 - U8n-6
d" f2n-1
u(f-P)u(P-9)u4
bn-1(d-f)n-1(b-d)"
(-
dn+1 f2n
dn+1 f2n
d" f2n–1
bn-1(d-f)n-'(6-d)"
fan dn
/)" (b-d)n
d" f2n
br (b – d)" (d – f)"-I
b" (b – d)" (d – f)"
dn+1 f2n
b" (b – d)" (d – f)"
d" f2n+1
b" (b – d)" (d – f)"*
Other solutions can be similarly proved.

Transcribed Image Text:O Tap to view steps...
U8n-2 U8n-6
U8n
= U8n-2 + U8n-4 +
U8n-4
U8n-6
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