quality:correction, stylistic:tone, quality:corruption, linguistic:voice_change
Lissajous curve

A Lissajous curve is similar to an ellipse, but the x and y sinusoids are not in phase. In canonical position, a Lissajous curve is given by x = a cos (k x t) y = b sin (k y t) {\displaystyle {\begin{aligned}x&=a\,\cos(k_{x}t)\\y&=b\,\sin(k_{y}t)\end{aligned}}} where k and k are constants describing the number of lobes of the figure.