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The document discusses Fourier series representation of periodic functions. It states that according to the Fourier theorem, any periodic function can be expressed as an infinite sum of sines and cosines of integral multiples of the fundamental frequency. It provides the general trigonometric Fourier series equation and explains how to determine the Fourier coefficients by integrating the function against basis functions. An example of expanding a simple linear function into its Fourier series is worked out

Author

api-19788618

Language

EN