Solve the second order difference equation z(n + 2) + 4z(n + 1) – 21r(n) = 26(n) for 1(0) = 0 and z(1) = 0. Unit step sequence: For n € Z 0 for n
Solve the second order difference equation z(n + 2) + 4z(n + 1) – 21r(n) = 26(n) for 1(0) = 0 and z(1) = 0. Unit step sequence: For n € Z 0 for n
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:3. Solve the second order difference equation
(n+2) + 4r(n+1) – 21z(n) = 26(n)
%3D
for r(0) = 0 and r(1) = 0.
Unit step sequence: For ne Z
for n <a
u(n - a) =
1 n2a
Kronecker delta sequence: For n E Z
for n = a
6(n - a) =
%3D
for n + a
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