how to solve a second order - vector deferential equation using ode45
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Hi, I need to solve the following ode using ode45 (in order to find a sattelite's orbit):
r''=-(mu/norm(r)^3)*r
where mu is a known constant and r is a 3*1 column vector I have initial conditions for both r and r', and I want to find r and r' for a certain time interval. The thing is I can't figure out the syntax to accomplish it. Your help would be greatly appreciated
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