models/Primer/hopf.lua

   1 --%  ft| TRAJECTORY_T0_V0_A1_O1 sn| Convergence~to~a~fixed~point n| #0 d| 1 n| #1 d| .5 n| #2 d| -0.2 n| #3 d| -1 n| #4 d| 0.05 n| #5 d| 0 n| #6 d| 5000 n| #7 d| 5000 n| #8 d| x n| #9 d| y
   2 --%  ft| TRAJECTORY_T0_V0_A1_O1 sn| Convergence~to~a~limit~cycle n| #0 d| 1 n| #1 d| 1 n| #2 d| .5 n| #3 d| -1.2 n| #4 d| 0.01 n| #5 d| 0 n| #6 d| 5000 n| #7 d| 5000 n| #8 d| x n| #9 d| y
   3 --@@
   4 name = "Hopf"
   5 description = "See Model refs in user's guide"
   6 type = "C"
   7 parameters = {"mu", "k"}
   8 variables = {"x", "y"}
   9
  10 function f(mu, k, x, y)
  11
  12     x1 = y + k*x * (x^2 + y^2)
  13     x2 = -x + mu*y
  14
  15     return x1, x2
  16
  17 end
  18