Ghlen Livid added vec_x_t_vec_x__.tex  almost 8 years ago

Commit id: e10ea622b67794d2b3af27c165b42fc6a587c5aa

deletions | additions      

         

$$\vec{x}(t) - \vec{x}(t-\Delta t) - \frac{1}{6} \vec{b}(t-\Delta t) \Delta t^3 + O (\Delta t^4) = \vec{v}(t -\Delta t) \Delta t + \frac{1}{2} \vec{a}(t-\Delta t) \Delta t^2 $$