Hi there,
I am using the ODE45 function in matlab and am having to do some calculations where the time scale is on the order of 10^-15s (femto seconds) but the period of oscillations are of the order of femto seconds too.
The problem is is that when I start putting this in to the ODE45 routine, it never finishes and I have to ctrl-c it.
I am new to modelling so if there are any good techniques to keep in mind that would be great if you could point them out.
Thanks Martin
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