Hi
I have a 2d trajectory of a center of mass which I have saved in an array such that r=[[x(t_1),y(t_1)],[x(t_2),y(t_2)],...,[x(t_n),y(t_n)]] where x is x coordinate of the position and y is the y-coordinate of the position.
I have tried this:
xx = [t[0] for t in r]
xy = [t[1] for t in r]...