3 ms·Just take C1 splines and integrate l(t) = t x0 + (1-t) x1 m(t) = t^2 (x0 - x1) + t x1 + x2 and so on.by toxik 4y agoJust take C1 splines and integrate l(t) = t x0 + (1-t) x1 m(t) = t^2 (x0 - x1) + t x1 + x2 and so on.