I have a complex ODE, why do the results vary dpending on the solver?

2 次查看(过去 30 天)
I have a complex ODE, i use fixed step solver to solve this simulink model. Once I used ODE8 and then later i used ODE14x, then i compared the results of these simulations and both were different. How could I know which one is correct?

回答(1 个)

@Johannes
@Johannes 2015-10-2
Hello,
because ODE8 und ODE14x are using different numerical Methods to solve your ode. ODE8 is an explicit solver while ODE14x is an implicit solver. You should choose your solver dependent of your problem. For example, if you have a stiff problem you should use a implicit solver.
Regards,
John

类别

Help CenterFile Exchange 中查找有关 Ordinary Differential Equations 的更多信息

产品

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by