# lsodar_with_disc.py¶

assimulo.examples.lsodar_with_disc.run_example(with_plots=True)[source]

Example of the use of Euler’s method for a differential equation with a discontinuity (state event) and the need for an event iteration.

on return:

• exp_mod problem instance
• exp_sim solver instance

No initialization defined for the problem.
A discontinuity occured at t = 1.000000e+00.
Current switches: [False, True, True]
Event info: [array([0, 0, 1], dtype=int32), False]
Final Run Statistics: ODE with discontinuities and a function with consistency problem

Number of steps                       : 4
Number of function evaluations        : 5
Number of Jacobian evaluations        : 0
Number of state function evaluations  : 14
Number of state events                : 1

Solver options:

Solver                  : LSODAR
Absolute tolerances     : [  1.00000000e-06   1.00000000e-06   1.00000000e-06]
Relative tolerances     : 1e-06
Starter                 : classical

No finalization defined for the problem.
Final Run Statistics: ODE with discontinuities and a function with consistency problem

Number of steps                       : 7
Number of function evaluations        : 9
Number of Jacobian evaluations        : 0
Number of state function evaluations  : 108
Number of state events                : 1

Solver options:

Solver                  : LSODAR
Absolute tolerances     : [  1.00000000e-06   1.00000000e-06   1.00000000e-06]
Relative tolerances     : 1e-06
Starter                 : classical

Simulation interval    : 0.0 - 10.0 seconds.
Elapsed simulation time: 0.00675797462463 seconds.


Note

Press [source] (to the top right) to view the example.