/sci/ - Science & Math

>>14509682
So
[eqn]
r = (x,y)\\
q = \dot{r}\\
\dot{q} = c \cdot\sum_{i=1}^{N}\frac{r-p_i}{||r-p_i||^3}\\
y = (r,q)\\
\dot{y} = (q,\dot{q})
[/eqn]
becomes my system of ODEs?