of A By computing the fundamental matrix, show that the matrix exponential is eAt = (¹ 1 + 2t t -4t 1-2t = - ( ² = 1) 1 +).
of A By computing the fundamental matrix, show that the matrix exponential is eAt = (¹ 1 + 2t t -4t 1-2t = - ( ² = 1) 1 +).
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:4. Fundamental
(a)
of A
ODES
matrices
By computing the fundamental matrix, show that the matrix exponential
2-4
-4t
1 + 2t
( 1 =1)
is eA² = (¹ +
+).
-2
t
Hence show that the solution to the non-homogeneous system of
(361²)
6t
x' = Ax +
with initial condition
¹ x (0) = ( 8 )
is x1
1 - 2t
=
8t³ + 6t4, x₂ = 3t² − 2t³ + 3t4.
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