Find a fundamental matrix for the system x'(t) = Ax(t) for the given matrix A. A...
Determine e At by first finding a fundamental matrix X(t) for x' = Ax and then using the formula eAt = X(t)X(0)1. 0 2 2 2 0 2 2 2 0 First, find X(t). Choose the correct answer below 4t -2t 4t e -2t (1+t) e e -2t OA. X(t) (1+t)e4t 0 e2t B. X(t)= e4t 0 -2t -2t 2t - e - 2t (1t)e 4t e e 4t e 4t - sint sin t 0 (1t)e -2t O C....
Please show all work Consider the following x'=(-7-28 (a) Find a fundamental matrix for the given system of equations. Ψ(t)-(-2e7t sin 14t Ψ(t) =(-2 sin 14t Ψ(t)-(2e-r sin 14t 2e-7 cos 14t e cos 1 esin 14t 2e-7r cos 14t cos 14t esin 14t O -2e-7 cos 14t e cos 1 esin 14t 2e sin 14t e7 e cos 14t2e sin 14t cos 14t Ψ(t)--2e7t sin 14t 2e"cos 14t e cos 14 sin 14t (b) Also find the fundamental matrix...
QUESTION 18 The 2 x 2 matrix A= has complex eigenvalues r = -2£i. An eigenvector corresponding 2 to r = -2+ i is 1-) The system x' = Ax+ (). e-2t has one solution given by x(t) = (2) e-2t. What is the general solution to the system? C1 cost sint - cost 6) -27 +02 e sint sint - cost :) -21 e + (1) e OB C1 cost cost 0-2t + C2 0 sint e-2t + (1)...
Use the elimination method to find a general solution for the given linear system, where differentiation is with respect to t * = 4x - 5y oy = 5x + 4y Eliminate x and solve the remaining differential equation for y. Choose the correct answer below. A. y(t) = C, "cos 5t+C2 et sin 5t OB. y(t) = C, e " + Cate OC. y(t) = C, e - 4 cos 5t+Cze-4 sin 5t OD. y(t) = C, -4+ Cyte...
Find a general solution of the system x'(t) = Ax(t) for the given matrix A. 12 51 A= -3 - 12
Consider the following system of equations. orie 10 x = 5 la (a) Find a fundamental matrix for the given system of equations. (t) = Equation Editor Common 12 Matrix sin(a) cos(a) tan(a) seca) osca) cot(a) de lidz jjar vayalal U s in(a) cos(@) tana ) (b) Find the fundamental matrix (t) satisfying • (0) = I. (t) = Equation Editor Common 2 Matrix cos(a) tan(a) sin(a) seca) sin- (@) sec(a) csele) cot(a) den ſide | saz cos @) tan-(a)
NOTE: PLEASE DO Q.3 Part d and e Answers are given below: Question 3 (16 marks) Consider the periodic signal T v(t)24 cos(2t ) - 4 sin(5t - 2 The signal v is given as an input to a linear time-invariant continuous-time system with fre- quency response 4 0 lwl 2 2 jw H(w) lwlT 2, 1 2 jw (a) 3 marks] Find the fundamental period To and frequency wo of v (b) [3 marks] Express v in cosine sine...
The 2 x 2 matrix A -3 2 -1 -1) has complex eigenvalues r = -2+i. An eigenvector corresponding to r = -2+i is The system x' = Ax+ -24 e- has one solution given by x(t) = (2) e-2t. What is the general solution to the system? OA -20 cost sint - cost st) + C2 sint sint - cost e-2t + (1). e-27 och cost e-24 + C3 (2 ) e-24 cost * (sin e tez (-sind) e...
Q4. For each signal, if it is periodic, find the fundamental period T. (in seconds) and the fundamental frequency (in rad/s). Otherwise prove that the signal is not periodic. [1 + 1 - 2 marks) a) X(t) = cos(5t) + sin(25t) b)x() = sin 91 + + sin(61 - 7) + cos(391)
4. We saw in class that if A is an orthogonal matrix, then ||AX|| = ||X||. One matrix for which we know this is true is the rotation matrix, A = [cos – sin 0] sin cos a. (2 pts) Show that A is an orthogonal matrix. b. (2 pts) Since A is an orthogonal matrix, A-1 = AT. Show that AT can be written as cos 0 – sino w does the angle o relate to the angle ?...