Parameterdarstellung

x=f(t), y=g(t), z=h(t); t=[t0..t1]

Ellipse:

> plot([4*cos(t),2*sin(t),t=0..2*Pi],scaling=constrained);

Raumkurve

> spacecurve([4*cos(t),4*sin(t),sin(t/2)],t=0..4*Pi,thickness=3,axes=frame);

Schraublinie

> spacecurve([4*cos(t),4*sin(t),3*(t)],t=0..4*Pi,thickness=3,axes=frame);

>