Express the following inhomogeneous system of first-order differential equations for r(t) and y(t) in matrix form: * = 2x + y + 3e¹, y = 4x - y. Write down, also in matrix form, the corresponding homogeneous system of equations. Find the eigenvalues of the matrix of coefficients and an eigenvector corresponding to each eigenvalue. Hence write down the complementary function for the system of equations.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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(a) Express the following inhomogeneous system of first-order differential
equations for r(t) and y(t) in matrix form:
* = 2x + y + 3e",
y = 4x - y.
e
Write down, also in matrix form, the corresponding homogeneous
system of equations.
Pod
(b)
Find the eigenvalues of the matrix of coefficients and an eigenvector
corresponding to each eigenvalue.
(c) Hence write down the complementary function for the system of
equations.
(d) Find a particular integral for the original inhomogeneous system.
(e) Hence write down the general solution of the original inhomogeneous
system.
(f) Find the particular solution of the original inhomogeneous system with
x = 3 and y=-3 when t = 0.
(g)
What is the long-term behaviour of this particular solution as t becomes
large? Does the ratio y/x tend to a fixed number, and if so what
number?
Transcribed Image Text:(a) Express the following inhomogeneous system of first-order differential equations for r(t) and y(t) in matrix form: * = 2x + y + 3e", y = 4x - y. e Write down, also in matrix form, the corresponding homogeneous system of equations. Pod (b) Find the eigenvalues of the matrix of coefficients and an eigenvector corresponding to each eigenvalue. (c) Hence write down the complementary function for the system of equations. (d) Find a particular integral for the original inhomogeneous system. (e) Hence write down the general solution of the original inhomogeneous system. (f) Find the particular solution of the original inhomogeneous system with x = 3 and y=-3 when t = 0. (g) What is the long-term behaviour of this particular solution as t becomes large? Does the ratio y/x tend to a fixed number, and if so what number?
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