FourierSeries (Built-in Mathematica Symbol)

FourierSeries[expr, t, n] gives the n\[Null]^th-order Fourier series expansion of expr in t. FourierSeries[expr, {t_1, t_2, ...}, {n_1, n_2, ...}] gives the multidimensional ...

JacobiCS (Built-in Mathematica Symbol)

JacobiCS[u, m] gives the Jacobi elliptic function cs(u | m).

JacobiSC (Built-in Mathematica Symbol)

JacobiSC[u, m] gives the Jacobi elliptic function sc(u | m).

LegendreP (Built-in Mathematica Symbol)

LegendreP[n, x] gives the Legendre polynomial P_n (x). LegendreP[n, m, x] gives the associated Legendre polynomial P_n^m(x).

LucasL (Built-in Mathematica Symbol)

LucasL[n] gives the Lucas number L_n.LucasL[n, x] gives the Lucas polynomial L_n (x).

Multinomial (Built-in Mathematica Symbol)

Multinomial[n_1, n_2, ...] gives the multinomial coefficient (n_1 + n_2 + ...)!/(n_1! n_2! ...).

Nearest (Built-in Mathematica Symbol)

Nearest[{elem_1, elem_2, ...}, x] gives the list of elem_i to which x is nearest. Nearest[{elem_1 -> v_1, elem_2 -> v_2, ...}, x] gives the v_i corresponding to the elem_i to ...

PadeApproximant (Built-in Mathematica Symbol)

PadeApproximant[expr, {x, x_0, {m, n}}] gives the Padé approximant to expr about the point x = x_0, with numerator order m and denominator order n.PadeApproximant[expr, {x, ...

ParameterEstimator (Built-in Mathematica Symbol)

ParameterEstimator is an option to EstimatedDistribution and FindDistributionParameters that specifies what parameter estimator to use.

PseudoInverse (Built-in Mathematica Symbol)

PseudoInverse[m] finds the pseudoinverse of a rectangular matrix.