Liansheng Zhang
Abstract
Contrasting to some current textbooks,this paper provides a different view point on the coefficient formulas of power series and Fourier series,which is based on the approximation theory of functions.
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Contrasting to some current textbooks,this paper provides a different view point on the coefficient formulas of power series and Fourier series,which is based on the approximation theory of functions.
Key concepts: Series (stratigraphy), Mathematics, Fourier series, Power series, Function series, Fourier sine and cosine series, Mathematical analysis, Fourier analysis