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Text File  |  1990-01-15  |  150 b   |  12 lines
  1. # HENON.ODE
  2. # Henon attractor
  3. # A 2 dimensional discrete map
  4. # Plot x against y
  5.  
  6. $m d
  7. $n 500
  8.  
  9. x  = 0
  10. y  = 0
  11. x' = 1-1.4*sqr(x)+y
  12. y' = 0.3*x