Question

Runge-Kutta - anyone here familiar with it?

Answer 1

Hmm a tiny bit...
2nd order?
4th order?

Answer 2

@tom982 ? :D

Answer 3

Ah you're a lifesaver, I thought it was a lost cause asking here! Third order unfortunately :p

I have to implement RK3 in Matlab:
http://i.stack.imgur.com/FlsLh.jpg

But it's using equations of the form y'=Ay+b(x) and I have absolutely no idea how they get b(x). This is all of the information that I was provided with:

http://i.stack.imgur.com/lESxd.jpg
http://i.stack.imgur.com/ghluF.jpg

Answer 4

Pretty late here so excuse any late replies as I'll be asleep :p

Answer 5

hmm :(