精选优质文档-倾情为你奉上1. For the following dynamical systems1)2)a) Find all fixed points and classify them.b) Sketch the phase space portrait.Solution for 1):Set . Then, the equation becomes to,Set vector variable z, we can write, where There is only fixed point The Jacobian matrix Jacobian matrix for linearized system at the fixed point,Eigenvalues for this system are , so they have zero real part and the method of linearization cannot decide about the stability