7. Write the 4th order ordinary differential equation as a matrix system of first order ordinary differential equations with an initial vector condition. a) In the form x' = Ax +g(t) with x(1) = xo & indicate what the terms A, x, xo, and g(t) are. b) If the Wronskian at t = 1 is 5 day dt4 - d³ y dt 3 t d³y dt 3 (1) = 1 t² d²y dt² d²y dt² - t3 (1) = 1 dy dt dy dt t4y = 7 cos (t) (1) = 2 y(1) = 9

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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7. Write the 4th order ordinary differential equation as a matrix system of first order ordinary
differential equations with an initial vector condition.
a) In the form x' = Ax +g(t) with x(1) = xo & indicate what the terms A, x, xo, and g(t) are.
b) If the Wronskian at t = 1 is 5
day
dt4
-
d³ y
dt 3
t
d³y
dt 3
(1) = 1
t²
d²y
dt²
d²y
dt²
-
t3
(1) = 1
dy
dt
dy
dt
t4y = 7 cos (t)
(1) = 2 y(1) = 9
Transcribed Image Text:7. Write the 4th order ordinary differential equation as a matrix system of first order ordinary differential equations with an initial vector condition. a) In the form x' = Ax +g(t) with x(1) = xo & indicate what the terms A, x, xo, and g(t) are. b) If the Wronskian at t = 1 is 5 day dt4 - d³ y dt 3 t d³y dt 3 (1) = 1 t² d²y dt² d²y dt² - t3 (1) = 1 dy dt dy dt t4y = 7 cos (t) (1) = 2 y(1) = 9
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