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Lissajous figure

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EnglishEdit

 
A Lissajous figure on an oscilloscope
 
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EtymologyEdit

After French mathematician Jules Antoine Lissajous, who invented an apparatus that projected such figures onto a wall.

NounEdit

Lissajous figure (plural Lissajous figures)

  1. (mathematics) A plane curve traced by a point which executes two perpendicular independent harmonic motions, the frequencies of which are in a simple ratio.

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