Wed Feb 2 18:56:42 2022
tough_ode_test():
Python version: 3.6.9
Solve tough_ode().
parameters:
t0 = 0.0
y0 = [1. 1. 1. 1.]
tstop = 3.0
tough_solve_ivp():
Solve tough_ode() using solve_ivp().
sol.status = 0
Graphics saved as "tough_solve_ivp_y1.png"
Graphics saved as "tough_solve_ivp_y2.png"
Graphics saved as "tough_solve_ivp_y3.png"
Graphics saved as "tough_solve_ivp_y4.png"
tough_ode_test():
Normal end of execution.
Wed Feb 2 18:56:43 2022
lsoda-- warning..internal t (=r1) and h (=r2) are
such that in the machine, t + h = t on the next step
(h = step size). solver will continue anyway
in above, r1 = 0.1985399847400D+00 r2 = 0.9437734065497D-17
lsoda-- warning..internal t (=r1) and h (=r2) are
such that in the machine, t + h = t on the next step
(h = step size). solver will continue anyway
in above, r1 = 0.1985399847400D+00 r2 = 0.9437734065497D-17
lsoda-- warning..internal t (=r1) and h (=r2) are
such that in the machine, t + h = t on the next step
(h = step size). solver will continue anyway
in above, r1 = 0.1985399847400D+00 r2 = 0.4718867032748D-17
lsoda-- warning..internal t (=r1) and h (=r2) are
such that in the machine, t + h = t on the next step
(h = step size). solver will continue anyway
in above, r1 = 0.1985399847400D+00 r2 = 0.4718867032748D-17
lsoda-- warning..internal t (=r1) and h (=r2) are
such that in the machine, t + h = t on the next step
(h = step size). solver will continue anyway
in above, r1 = 0.1985399847400D+00 r2 = 0.9437734065497D-17
lsoda-- warning..internal t (=r1) and h (=r2) are
such that in the machine, t + h = t on the next step
(h = step size). solver will continue anyway
in above, r1 = 0.1985399847400D+00 r2 = 0.9437734065497D-17
lsoda-- warning..internal t (=r1) and h (=r2) are
such that in the machine, t + h = t on the next step
(h = step size). solver will continue anyway
in above, r1 = 0.1985399847400D+00 r2 = 0.2359433516374D-17
lsoda-- warning..internal t (=r1) and h (=r2) are
such that in the machine, t + h = t on the next step
(h = step size). solver will continue anyway
in above, r1 = 0.1985399847400D+00 r2 = 0.2359433516374D-17
lsoda-- warning..internal t (=r1) and h (=r2) are
such that in the machine, t + h = t on the next step
(h = step size). solver will continue anyway
in above, r1 = 0.1985399847400D+00 r2 = 0.2924337562716D-17
lsoda-- warning..internal t (=r1) and h (=r2) are
such that in the machine, t + h = t on the next step
(h = step size). solver will continue anyway
in above, r1 = 0.1985399847400D+00 r2 = 0.7310843906790D-18
lsoda-- above warning has been issued i1 times.
it will not be issued again for this problem
in above message, i1 = 10