Parametric plots.sagews

var('t')

t

$\vec{r}(t) = \left< t, t^{2}, t^{3} \right>$

parametric_plot3d((t, t^2, t^3), (t, -1, 1))

$\vec{r}(t) = \left< \cos{t}, \sin{t}, t \right>$

parametric_plot3d((cos(t), sin(t), t), (t, -2*pi, 2*pi))