2. Determine whether each of the following system is linear or not. (A) y(t)- J x(t)dt...
2. In the following system, x(t) is the input and y(t) is the output. yt) fix(t)] for some f For each of the system, determine if they are linear. Justify your answers (providing counter- examples could be useful if the system is not linear) A. y(t) 4x(t) B. y(t) t2x(t) C. y(t) 2x(t) +3 D. y(t) 4x2(t) Fx) dt
Determine whether the following transformations are linear. A) T(x, y) = (3x, y, y ? x) of R2 ? R3 B) T(x, y) = (x + y, 2y + 5) of R2 ? R2
Problem 3 Determine whether each of the following system is memoryless, stable. Justify your answer time-invariant, linear, causal or (a) y(t)r(t -2)+x(-t2) b) y(t) cos(3t)(t) (c) y(t) =ar(r)dT d) y(t)t/3) (e) y(t) =
Determine whether the system described byy(t) = cos[x(t – 1)] is a) Memoryless b) Causal c) Linear d) Time Invariant
1. The populations of two competing species x(t) and y(t) are governed by the non-linear system of differential equations dx dt 10x – x2 – 2xy, dy dt 5Y – 3y2 + xy. (a) Determine all of the critical points for the population model. (b) Determine the linearised system for each critical point in part (a) and discuss whether it can be used to approximate the behaviour of the non-linear system. (c) For the critical point at the origin: (i)...
2. Consider the linear system: - (1 2) Y.with initial conditions) Y dt a) Compute the eigenvalues and eigenvectors for the system. b) For each eigenvalue, pick an associated eigenvector V and determine a vector solution y(t) to the system. c) Draw an accurate phase portrait for this system. What type of equilibrium point is the origin?
1. A state space linear system is shown below. dx1(t)/dt=x1(t)+x2(t)-x3(t)+u1(t) dx2(t)/dt=--x3(t)-u1(t) dx3(t)/dt=-x3(t)-u2(t) y(t)=-x1(t)+x3(t) (1) Re-write the state space equation as following, determine matrices A, B, C and D dx(t)/at=Ax+Bu y(t)=Cx+Du (2) Determine the matrix Q that is Q=[B A*B (A^2)*B (A^3)*B L (A^(n-1)*B] (3) Determine if the rank of Q is n (n=3) and determine if the system is controllable
Consider the nonlinear System of differential equations di dt dt (a) Determine all critical points of the system (b) For each critical point with nonnegative x value (20) i. Determine the linearised system and discuss whether it can be used to approximate the ii. For each critical point where the approximation is valid, determine the general solution of iii. Sketch by hand the phase portrait of each linearised system where the approximation behaviour of the non-linear system the linearised system...
Problem 4. Given the input/output system represented by t-1 y(t) = 2 ( x(y - 3) dy where x(t) is the input and y(t) is the output, a) Determine whether the system is linear or non-linear. b) Determine the impulse response h(t, to) of the system by setting x(t)= 8(t–to). c) Determine whether the system is time invariant or time variant. d) Determine whether the system is causal or non-causal.
Determine whether the linear transformation is one-to-one, onto, or neither T: R^2 -> R^2 , T(x,y) = (x-y,y-x)