MATLAB Answers

Use the time step within ode15s

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Carina
Carina on 10 Dec 2013
Commented: darova on 1 Dec 2019
I am using ode15s to solve a set of differential equation on the form M(t,y)dy/dt = f(t,y). Due to the way I have formulated my ode's now, I need to use the time step from ode15s inside the function f(t,y). As far as I can see, I only have access to the present time 't' when ode15s is working, but is there any way to work around this so I can use the time step dt?

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darova
darova on 27 Nov 2019
How is it going?

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Accepted Answer

Jan
Jan on 28 Nov 2019
If the function to be integrated requires the time steps of the solver, something went wrong. I'm convinced that this is a logical error in the implementation. Please explain, why you think you need this.

  2 Comments

Carina Bringedal
Carina Bringedal on 1 Dec 2019
The question is 6 years old. I do not remember how I solved it, but I think I did. I at least do not need an answer to the question anymore.
darova
darova on 1 Dec 2019
THe answer looks correct

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