FourierSeries`
FourierSeries`

InverseFourierCoefficient

InverseFourierCoefficient[expr,n,t]

gives the function of t whose Fourier exponential series representation has coefficients given by expr, where expr is a function of n.

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范例

基本范例  (1)

Find a function with a given Fourier series:

Compare with the answer from a numerical approximation: