2. Consider the nonlinear autonomous system of DEs: dx dt dy dt (a) Find all critical...
please give specific steps of all the questions, thanks Q1. The following nonlinear system of DE's can be interpreted as describing the inter- action of two species with population densities r and y, respectively. 1dy1 2dt 2 dt (a) Write the given system in the form where A is a matrix with constant enteries. Also, show that the system is locally linear. (b) This system has three equilibrium or critical points. Determine those critical points and give a physical interpretation...
Consider the system given by dx/dt (1 -0.5y), dy/dx-y(2.5 1.5y +0.25 . Find the critical points . Find the Jacobian of this system and use it to find the linear approximation at each of the critical points. Determine the type and the stability. . Briefly describe the overall behavior of r and y Consider the system given by dx/dt (1 -0.5y), dy/dx-y(2.5 1.5y +0.25 . Find the critical points . Find the Jacobian of this system and use it to...
dx Consider the system 2 - NICO ху 2 22 dy dt = 2y – 1- 2XY dt 2 (a) Identify all critical points of the system. (b) For each critical point, use eigenvalues to classify the critical points according to stability (stable, unstable, asymptotically stable) and type (saddle, proper node, etc).
Construct a Liapunov function on the form V(x,y) = ax2 + cy2 for the nonlinear system dx dt dy dt 3 山 一一 and deduce that the critical point at the origin is asymptotically stable. Construct a Liapunov function on the form V(x,y) = ax2 + cy2 for the nonlinear system dx dt dy dt 3 山 一一 and deduce that the critical point at the origin is asymptotically stable.
#10 all parts In each of Problems 5 through 18: (a) Determine all critical points of the given system of equations. (b) Find the corresponding linear system near each critical point. (c) Find the eigenvalues of each linear system. What conclusions can you then draw about the nonlinear system? (d) Draw a phase portrait of the nonlinear system to confirm your conclusions or to extend them in those cases where the linear system does not provide definite information about the...
Consider the nonlinear system ?x′ = ln(y^2 − x) and y'=x-y-1 (a)Find all the critical points (b)Find the corresponding linearized system near the critical points. (c) Classify the (i) type (node, saddle point, · · · ), and (ii) stability of the critical points for the corresponding linearized system. (d) What conclusion can you obtain for the type and stability of the critical points for the original nonlinear system?
6) For the nonlinear autonomous system dx/dt = f(x), where X = (X1,x2)" and f.(X) = 4x2 - X2?; f(x) = x/2-44 a. Find the equilibrium points. (5 pts.) b. Find the linearized system around each equilibrium point. (5 pts.) C. Which of these equilibrium points is (are) and what the pole values for the stable equilibrium points? (5 pts.) 6) For the nonlinear autonomous system dx/dt = f(x), where X = (X1,x2)" and f.(X) = 4x2 - X2?; f(x)...
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...
7 7. (20 points) Consider the system of nonlinear equations: a) The system has 4 critical points. Find them. b) One of the critical points is (-1, -1). Linearize the system at that point. c) Based on the linear system you derived in b), classify the type and stability of point (-1, -1). 7. (20 points) Consider the system of nonlinear equations: a) The system has 4 critical points. Find them. b) One of the critical points is (-1, -1)....
Consider the following system. dx dt dy dt 5 x + 4y 2 3 =X - 3y 4 Find the eigenvalues of the coefficient matrix Alt). (Enter your answers as a comma-separated list.) Find an eigenvector for the corresponding eigenvalues. (Enter your answers from smallest eigenvalue to largest eigenvalue.) K K₂ = Find the general solution of the given system. (x(t), y(t)) =