A Lissajous curve, also known as Lissajous figure or Bowditch curve, is the graph of a system of parametric equations which describe the superposition of two perpendicular oscillations in x and y directions of different angular frequency.

A Lissajous curve, also known as Lissajous figure or Bowditch curve, is the graph of a system of parametric equations which describe the superposition of two perpendicular oscillations in x and y directions of different angular frequency.