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NInverseFourierCoefficient

NInverseFourierCoefficient[expr, n, t]
gives a numerical approximation to the function, evaluated at t, whose Fourier exponential series representation has coefficients given by expr, where expr is a function of n.
  • The numerical approximation to the Fourier exponential series representation used by NInverseFourierCoefficient is by default defined to be NSum[expr -2 n t, {n, -, }].
  • Different choices for the definition of the Fourier exponential series representation can be specified using the option FourierParameters.
  • With the setting FourierParameters->{a, b}, the Fourier exponential series representation used by NInverseFourierCoefficient is .
  • In addition to the option FourierParameters, NInverseFourierCoefficient can also accept the options available to NSum. These options are passed directly to NSum.
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