models/gingerman.lua

   1 --%  ft| TRAJECTORY_T0_V0_A1_O0 sn| Chaotic~attractor n| #0 d| 1.1 n| #1 d| -1 n| #2 d| 1 n| #3 d| 1000 n| #4 d| 40000 n| #5 d| 40000 n| #6 d| x n| #7 d| y
   2 --%  ft| TRAJECTORY_T0_V0_A1_O0 sn| Period-6~trajectory n| #0 d| 0 n| #1 d| 1 n| #2 d| 1 n| #3 d| 1000 n| #4 d| 40000 n| #5 d| 40000 n| #6 d| x n| #7 d| y
   3 --%  ft| BIFURCATION_1 sn| Chaotic~dynamics n| #0 d| 1.1 n| #1 d| -1 n| #2 d| a n| #3 d| -2 n| #4 d| 2 n| #5 d| -5 n| #6 d| 10 n| #7 d| 500 n| #8 d| 500 n| #9 d| x
   4 --@@
   5 name = "Gingerman"
   6 description = "See Model refs in user's guide"
   7 type = "D"
   8
   9 parameters = {"a"}
  10
  11 variables = {"x", "y",}
  12
  13 function f(a, x, y)
  14
  15         x1 = 1 - y + math.abs(x)
  16         y1 = x
  17
  18         return x1, y1
  19
  20 end