PPLEASE SOLVE NUMBER 6 ONLY Determine the nullclines, sketch the vector field, and then solve the problem. (All derivatives are with respect to t.) x' =-x + 2y r(0) 2, y(0)1 r(0) 0, y(0)-2 De...
Determine the nullclines, sketch the vector field, and then solve the problem. (All derivatives are with respect to t.) r(0) 2, y(0)1 Determine the nullclines, sketch the vector field, and then solve the problem. (All derivatives are with respect to t.) r(0) 2, y(0)1
Determine the nullclines, sketch the vector field, and then solve the problem. (All derivatives are with respect to t.) 1. (0)1, y(0)0 Determine the nullclines, sketch the vector field, and then solve the problem. (All derivatives are with respect to t.) 1. (0)1, y(0)0
Problem 6. Consider the system: y. and its corresponding vector field: 1. Sketch a number of different solution curves on the phase plane. 2. Describe the behavior of the solution that satisfies the initial condition (to, o) (0, 2) Problem 6. Consider the system: y. and its corresponding vector field: 1. Sketch a number of different solution curves on the phase plane. 2. Describe the behavior of the solution that satisfies the initial condition (to, o) (0, 2)
1. Sketch the vector field F x, y+(y-x)j F(x, y x, y f 2. Find the gradient vector field of f(r, y)-xe" 1. Sketch the vector field F x, y+(y-x)j F(x, y x, y f 2. Find the gradient vector field of f(r, y)-xe"
nullcline example: 1. For each of the following systems, sketch the x- and y-nullclines and use this information to determine the nature of the phase portrait. You may assume that these systems are defined only for x,y 20. (b) x' = x(y + 2x-2), y' = y(y + x-3) Figure 9.4 The (a) nullclines and (b) phase portrait for x'
1. For each of the following systems, sketch the x- and y-nullclines and use this information to determine the nature of the phase portrait. You may assume that these systems are defined only for x,y 20. x' = x(y + 2x-2), y' = y(y-1 ) (a) 1. For each of the following systems, sketch the x- and y-nullclines and use this information to determine the nature of the phase portrait. You may assume that these systems are defined only for...
#6 Solve the initial value problem y(0)- 2, y,(0) 1 y"-3y' + 2y-6(t-3);
1. For each of the following systems, sketch the x- and y-nullclines and use this information to determine the nature of the phase portrait. You may assume that these systems are defined only for x,y 20. (b) x' = x(y + 2x-2), y' = y(y + x-3) 1. For each of the following systems, sketch the x- and y-nullclines and use this information to determine the nature of the phase portrait. You may assume that these systems are defined only...
1. (This is problem 5 from the second assignment sheet, reprinted here.) Consider the nonlinear system a. Sketch the ulllines and indicate in your sketch the direction of the vector field in each of the regions b. Linearize the system around the equilibrium point, and use your result to classify the type of the c. Use the information from parts a and b to sketch the phase portrait of the system. 2. Sketch the phase portraits for the following systems...
Problem 2. (a) Solve the initial value problem I y' + 2y = g(t), 1 y(0) = 0, where where | 1 if t < 1, g(t) = { 10 if t > 1 (t) = { for all t. Is this solution unique for all time? Is it unique for any time? Does this contradict the existence and uniqueness theorem? Explain. (b) If the initial condition y(0) = 0 were replaced with y(1) = 0, would there necessarily be...