I am struggling with whether or not to define the following system as coupled:
Using LaTeX (reload if it doesn't display properly)
\ddot{x}+A*x=0
\ddot{y}+A*y=0
\ddot{z}+A*z=0
where A is a known constant equal to A=\sqrt{x^2+y^2+z^2}
So, what do you think?