Use the time step within ode15s

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Carina
Carina 2013-12-10
评论： darova 2019-12-1
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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Jan
Jan 2019-11-28
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.
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Carina Bringedal
Carina Bringedal 2019-12-1
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.

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