Amid the chaos of revolutionary France, one man’s mathematical obsession gave way to a calculation that now underpins much of mathematics and physics. The calculation, called the Fourier transform, decomposes any function into its parts. The story <a href="https://www.quantamagazine.org/what-is-the-fourier-transform-20250903/">What Is the Fourier Transform?</a> first appeared on Quanta Magazine.

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 &lt;p&gt;Amid the chaos of revolutionary France, one man’s mathematical obsession gave way to a calculation that now underpins much of mathematics and physics. The calculation, called the Fourier transform, decomposes any function into its parts. &lt;/p&gt;&lt;p&gt;The story &lt;a href="https://www.quantamagazine.org/what-is-the-fourier-transform-20250903/"&gt;&lt;strong&gt;What Is the Fourier Transform?&lt;/strong&gt;&lt;/a&gt; first appeared on Quanta Magazine.&lt;/p&gt;
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The Fourier transform breaks tricky functions down into their wavelike building blocks. This has made it a crucial tool for mathematicians: If they are stumped by a problem, they can try transforming it.

Amid the chaos of revolutionary France, one man’s mathematical obsession gave way to a calculation that now underpins much of mathematics and physics. The calculation, called the Fourier transform, decomposes any function into its parts. 

The story <a href="https://www.quantamagazine.org/what-is-the-fourier-transform-20250903/">What Is the Fourier Transform?</a> first appeared on Quanta Magazine.

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Audio Edition: What Is the Fourier Transform?

Audio Edition: What Is the Fourier Transform?

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