25-May-2021 20:36:03

tough_ode_test():
  MATLAB/Octave version 4.2.2
  Solve the tough ODE.

  Parameter values:
    t0    = 0
    y0    = (1,1,1,1)
    tstop = 3

tough_ode23():
  Test tough_ode using ode23.

  Number of variable steps = 72
  Graphics saved in "tough_ode23_y1.png"
  Graphics saved in "tough_ode23_y2.png"
  Graphics saved in "tough_ode23_y3.png"
  Graphics saved in "tough_ode23_y4.png"

tough_ode45():
  Test tough_ode using ode45.

  Number of variable steps = 42
  Graphics saved in "tough_ode45_y1.png"
  Graphics saved in "tough_ode45_y2.png"
  Graphics saved in "tough_ode45_y3.png"
  Graphics saved in "tough_ode45_y4.png"

tough_midpoint:
  Test tough_ode using midpoint.

  Number of equal steps = 200000
  Graphics saved in "tough_midpoint_y1.png"
  Graphics saved in "tough_midpoint_y2.png"
  Graphics saved in "tough_midpoint_y3.png"
  Graphics saved in "tough_midpoint_y4.png"

tough_ode_test:
  Normal end of execution.

25-May-2021 20:42:53