English: Each arrow starts at the vertical sum of all the arrows on its left. And the purple dot is the sum of all six. The arrows represent the amplitudes of sine functions with different peak-values and frequencies. They are the first six terms of a Fourier series derived from the square wave motion of the blue dot, which transitions between only two amplitudes.
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Captions
Fourier synthesis of a square wave using six terms of the Fourier series shown using arrows.
Items portrayed in this file
depicts
Fourier series
square wave
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copyrighted, dedicated to the public domain by copyright holder
copyright license
Creative Commons CC0 License
inception
6 April 2022
media type
image/gif
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