Abstract
The theory of Fourier series is concerned with the question of whether a given periodic function, such as the plot of a heartbeat or the signal of a radio pulsar, can be written as a sum of simple waves. A simple wave is described in mathematical terms as a function of the form c sin(2πkx) or c cos(2πkx) for an integer k and a complex number c.
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© 2002 Springer Science+Business Media New York
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Deitmar, A. (2002). Fourier Series. In: A First Course in Harmonic Analysis. Universitext. Springer, New York, NY. https://doi.org/10.1007/978-1-4757-3834-6_1
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DOI: https://doi.org/10.1007/978-1-4757-3834-6_1
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