Fri Oct 10 11:27:08 2025

doughnut_ode_test()
  python version: 3.10.12
  numpy version:  1.26.4
  matplotlib version: 3.5.1
  Solve doughnut_ode().

  parameters:
    beta  =  3.0
    rho   =  5.0
    t0    =  0.0
    y0    =  [1. 1. 3.]
    tstop =  10.0

doughnut_solve_ivp
  Use solve_ivp() to solve doughnut_ode().

  Number of variable size steps =  123
  Graphics saved as "doughnut_ode.png"

doughnut_ode_test():
  Normal end of execution.
Fri Oct 10 11:27:09 2025