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Fourier
Fourier
Number 26
Date Jan. 1st 2006
Previous Barrel - Part 4
Next Meat Cereals

Fourier is the 26th xkcd comic.

ExplanationEdit

The comic refers to what is called a 'Fourier Transform': a mathematical operation that decomposes a signal into its constituent frequencies. Thus the Fourier transform of a musical chord is a mathematical representation of the amplitudes of the individual notes that make it up. Performing a fourier transform on a physical entity such as a person or an animal is of course impossible.

Mouseover textEdit

"That cat has some serious periodic components"

See alsoEdit

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