Over at Quanta Magazine [Shalma Wegsman] asks What Is the Fourier Transform? [Shalma] begins by telling you a little about Joseph Fourier, the French mathematician with an interest in heat propagation ...
This type of graph is known as the “frequency spectrum,” or “Fourier transform,” of the wave. Fourier’s theorem was one of the most significant mathematical results of the 19th century because ...
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