NDTFourierTransform (Fourier Series Package Symbol)

NDTFourierTransform[expr, n, \[Omega]] gives a numerical approximation to the discrete time Fourier transform of expr evaluated at the numerical value \[Omega], where expr is ...

NFourierCosTransform (Fourier Series Package Symbol)

NFourierCosTransform[expr, t, \[Omega]] gives a numerical approximation to the Fourier cosine transform of expr evaluated at the numerical value \[Omega], where expr is a ...

NFourierSinTransform (Fourier Series Package Symbol)

NFourierSinTransform[expr, t, \[Omega]] gives a numerical approximation to the Fourier sine transform of expr evaluated at the numerical value \[Omega], where expr is a ...

NFourierTransform (Fourier Series Package Symbol)

NFourierTransform[expr, t, \[Omega]] gives a numerical approximation to the Fourier transform of expr evaluated at the numerical value \[Omega], where expr is a function of t.

NInverseDTFourierTransform (Fourier Series Package Symbol)

NInverseDTFourierTransform[expr, \[Omega], n] gives a numerical approximation to the inverse discrete time Fourier transform of expr evaluated at the integer n, where expr is ...

NInverseFourierCosTransform (Fourier Series Package Symbol)

NInverseFourierCosTransform[expr, \[Omega], t] gives a numerical approximation to the inverse Fourier cosine transform of expr evaluated at the numerical value t, where expr ...

NInverseFourierSinTransform (Fourier Series Package Symbol)

NInverseFourierSinTransform[expr, \[Omega], t] gives a numerical approximation to the inverse Fourier sine transform of expr evaluated at the numerical value t, where expr is ...

NInverseFourierTransform (Fourier Series Package Symbol)

NInverseFourierTransform[expr, \[Omega], t] gives a numerical approximation to the inverse Fourier transform of expr evaluated at the numerical value t, where expr is a ...

MiniMaxApproximation (Function Approximations Package Symbol)

MiniMaxApproximation[expr, {x, {x_0, x_1}, m, n}] finds the rational polynomial function of x, with numerator order m and denominator order n, that gives a mini-max ...

OrderStarPlot (Function Approximations Package Symbol)

OrderStarPlot[r, f] draws the order star depicting the region where | r/f | < 1 for the functions r and f.OrderStarPlot[r, f, z] draws the order star where r and f are ...