Use the method of Undetermined Coefficients to find a general
solution of this system X=(x,y)^T
Show the details of your work:
x' = 6 y + 9 t
y' = -6 x + 5
Note answer is: x=A cos 4t + B sin 4t +75/36; y=B cos
6t - A sin 6t -15/6 t
Find the general solution of the linear system
x ̇1 = x1, x ̇2 = ax2
Where a is a constant. Draw the phase planes for a = −1, 0, 1. Comment on the changes of the phase plane
Use the method of eigenvalues and eigenvectors to find the
general solution to the following system of differential
equations.
x′(t) = 2x(t) + 2y(t) − z(t)
y′(t) = 0 + 3y(t) + z(t)
z′(t) = 0 + 5y(t) − z(t)
(A) Find the general solution for the displacement x = x(t) of
the forced mechanical system x´´ + 6x´ + 8x = 35 sin t. (B)
Identify the steady-periodic part
Transform the given system into a single equation of
second-order:
x′1 =−4x1+9x2
x′2 =−9x1−4x2.
Then find x1 and x2 that also satisfy the initial
conditions:
x1(0) =8
x2(0) =5.
use the elimination method to find the general solution for the
given linear system where differentiation is with respect to t.
2x'+y'-x-2y=e^-t and x'+y'+2x+2y==e^t
Use the elimination method to find a general solution for the
given linear system, where differentiation is with respect to
t.
x'=9x-2y+sin(t)
y'=25x-y-cos(t)
Use the elimination method to find a general solution for the
given linear system, where differentiation is with respect to
t.
x'=5x-6y+sin(t)
y'=3x-y-cos(t)