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13-May-2025 16:37:51

polar_ode_test()
  MATLAB/Octave version "9.11.0.2358333 (R2021b) Update 7"
  Solve polar_ode(), an ordinary differential equation (ODE)
  involving a complex variable, whose solution is best 
  viewed in a polar coordinate plot.

  parameters:
    t0    = 0
    z0    = (1,    tstop = 18.8496

polar_midpoint_test()
  Solve polar_ode() using midpoint().

  Number of equal steps = 201
  Graphics saved as "polar_midpoint.png"
  Graphics saved as "polar_midpoint_time.png"
  RMS error norm = 0.00273351
  L2 error norm = 0.0388505

polar_ode45_test()
  Solve polar_ode() using ode45().
  Number of steps taken was 141
  Graphics saved as "polar_ode45.png"
  Graphics saved as "polar_ode45_time.png"
  RMS error norm = 0.00226851
  L2 error norm = 0.0269371

polar_ode_test():
  Normal end of execution.
13-May-2025 16:38:01