Fourier series
noun
: an infinite series in which the terms are constants multiplied by sine or cosine functions of integer multiples of the variable and which is used in the analysis of periodic functions
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The solution involves a series of clever tricks, a couple of Fourier series, and results in a fairly cute elephant (see below).
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Seriously Science, Discover Magazine, 2 Sep. 2013
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Seriously Science, Discover Magazine, 2 Sep. 2013
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“Fourier series.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Fourier%20series. Accessed 31 Oct. 2025.
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