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10. Suppose the system '(t)-Ar(t) has the following phase portrait 12 x1 where the blue lines...
8. 20 pts.] Suppose that a 2 x2 matrix A has the following eigenvalues and eigenvectors: () 12, 1 r2=1, 2 2 (a) Classify the equilibrium 0 (node, saddle, spiral, center). Is it stable or unstable? (b) Sketch the trajectories of the system A , where a the phase plane below. (c) On the next page, sketch the graphs of r1 (t) and 2(t) versus t for the solution that satisfies the initial condition x1(0) = 1, x2(0) = 1...
Suppose 7' = AT, where A is the 2 x 2 matrix below. A= (1 1 1 3 (a) Determine the eigenvalues and eigenvectors of A. (b) Express the general solution of t' = Az in terms of real valued functions. (c) Sketch the phase portrait of the system. Do not forget to label your axes.
Problem 1: For the following non-linear autonomous system 1 = X1 (1-X2) X2 = 2x1-12 nstruct (i.e. sketch) the phase-portrait using linearization techniques. Discuss the qualitative behavior of the system. Justify your answers. Co
Consider a certain 2 x 2 linear system - Air, where A is a matrix of real numbers. Suppose at least one of its nonzero solutions will converge to (0,0) ast - 00 Which of the following statements is consistent with this. Choose all that apply. A has eigenvalues 11 = -3, 13 = 1 The phase portrait looks like this: The origin is a stable node • Previous Next
6. (3 -10 Consider the system = AX where A = . The matrix A has eigenvalues dt 12 -5 ) 2 = -1+2i. Find the general solution of this system. (10 pts)
Consider the linear system of first order differential equations x' = Ax, where x = x(t), t > 0, and A has the eigenvalues and eigenvectors below. Sketch the phase portrait. Please label your axes. 11 = 5, V1 = 12 = 2, V2 = ()
Suppose that the matrix A A has the following eigenvalues and eigenvectors: (1 point) Suppose that the matrix A has the following eigenvalues and eigenvectors: 2 = 2i with v1 = 2 - 5i and - 12 = -2i with v2 = (2+1) 2 + 5i Write the general real solution for the linear system r' = Ar, in the following forms: A. In eigenvalue/eigenvector form: 0 4 0 t MODE = C1 sin(2t) cos(2) 5 2 4 0 0...
Given initial conditions x1(0) = 1 and x2(0) = 0, determine solution components x1(t) and x2(t). 7. Consider the following differential equation system for 11(t), 12(t), where x = (*1). x = (1 %)* (a) (7 points) Find the general solution.
Consider the linear system of first order differential equations x' = Ax, where x= x(t), t > 0, and A has the eigenvalues and eigenvectors below. 4 2 11 = -2, V1 = 2 0 3 12 = -3, V2= 13 = -3, V3 = 1 7 2 i) Identify three solutions to the system, xi(t), xz(t), and x3(t). ii) Use a determinant to identify values of t, if any, where X1, X2, and x3 form a fundamental set of...
Suppose that X1, X2, X3 and X4 are independent Poisson where E[X1] = lab E[X2] = 11 – a)b E[X3] = da(1 – b) E[X2] = X(1 — a)(1 – b) for some a and b between 0 and 1. Let S = X1 + X2+X3+X4, R= X1 + X2 and C = X1 + X3. (a) Find P(R = 10) (b) Find P(X1 = 6 S = 16 and R= 12). (c) Suppose we want to condition on the...