Tue May 20 22:29:55 2025

rk12_test():
  python version: 3.10.12
  numpy version:  1.26.4
  Test rk12().
  Graphics saved as "predator_rk1_time.png"
  Graphics saved as "predator_rk1_phase.png"
  Graphics saved as "predator_rk2_time.png"
  Graphics saved as "predator_rk2_phase.png"
  Graphics saved as "error_rk12_time.png"
  Graphics saved as "error_rk12_phase.png"

rk12_test():
  Normal end of execution.
Tue May 20 22:29:56 2025