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Python rk4

  1. Apr 10, 2006 #1
    I'm trying to write a program in python to solve a system of differential equations using the 4th order Runga-Kutta method.

    I would ideally like the program to be able to solve systems of arbitrary size. To do this, I believe I will need to write a function (rk4) that would take as argument another function (the derivs function).

    I've never written anything like that before though, I'm not exactly sure how to go about it...

    Could I write something like:

    def rk4 (derivs,whatever else) :
    .
    .
    .
    whatever=derivs(arguments)
    .
    .
    .
    return array of solutions

    Is there any special syntax involved in having one function take another as an argument like this?

    Is there anything else I should know before I try writing this?
     
  2. jcsd
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