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Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Do b and d for 6.2.1
Please write out

Transcribed Image Text:Exercise 6.2.1 For each system of ODE in (a)-(g), do the following:
• Formulate the system as x = Ax, by explicitly writing out the matrix A.
Find the eigenvalues and eigenvectors of A and use them to write out a general solution
using (6.17).
. If any eigenvalues for A are complex, write out a real-. alued general solution.
Use either form of the general solution to obtain the given initial data.
(a) x₁ = 7x14x2, x2 20x1 - 11x2 with x₁ (0) = 3 and x₂ (0) = 8.
(b) x₁ = -x2, x2 = 6x15x2 with x₁ (0) = 2 and x2 (0) = 5.
(c) x₁ = x1-x2, x2 = 5x1 - 3x2 with x₁ (0) = 0 and x₂ (0) = 2.
·
DEC
●
(d) x₁ = -2x13x2, x2 = 3x12x2 with x₁ (0) = 2 and x₂(0) = -2.
(e) x₁ = -6x1 +9x2 - 4x3, x2 = −6x₁+11x2 - 6x3, x3 = -10x₁ +21x2 - 12x3 with x₁ (0) =
-1, x2 (0) = 0, and x3 (0) = 2.
(f) x₁ = -7x₁ + 2x2+6x3, x2 = − 6x₁ - x₂ + 4x3, x3 = -9x1 + 2x2 +8x3 with x₁ (0) = -2,
x2 (0) = 2, and x3 (0) = -4.
(g) x₁ = 4x₁-x2+2x3x4, x2 = x1 x3 + x4, x3 = -x3, x4 = x1-x2-2x4 with x₁ (0) = 2,
x2 (0) = 1, x3 (0) = 4, and x4 (0) = 1.
Exercise 6.2.2 The systems in (a)-(d) involve defective matrices. For each system:
• Formulate the system as x = Ax, by explicitly writing out the matrix A.
• Find the eigenvalues and eigenvectors of A and use (6.31) (with (6.30)) to find a general
tv
IZA
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