How can i estimate error from using ODE45?

I've used odeset to set RelTol = 1e-13 for ode45, but how can I make sure that the solution actually is that accurate?

Answer 1

[Vishnu Kuruppath]

Hi Elin,

Please go through the following link to see answer to a similar query related to ODE solvers.

https://www.mathworks.com/matlabcentral/answers/17494-how-do-ode-solvers-compute-error

Thanks,

Vishnu