Cartesian (Vector Analysis Package Symbol)

Cartesian represents the Cartesian coordinate system with default variables Xx, Yy, and Zz.Cartesian[x, y, z] represents the Cartesian coordinate system with variables x, y, ...

Laplacian (Vector Analysis Package Symbol)

Laplacian[f] gives the Laplacian, \[Del]^2 f, of the scalar function or vector field f in the default coordinate system. Laplacian[f, coordsys] gives the Laplacian of f in ...

BesselK (Built-in Mathematica Symbol)

BesselK[n, z] gives the modified Bessel function of the second kind K_n (z).

BesselY (Built-in Mathematica Symbol)

BesselY[n, z] gives the Bessel function of the second kind Y_n (z).

Divisible (Built-in Mathematica Symbol)

Divisible[n, m] yields True if n is divisible by m, and yields False if it is not.

EllipticNomeQ (Built-in Mathematica Symbol)

EllipticNomeQ[m] gives the nome q corresponding to the parameter m in an elliptic function.

FindIntegerNullVector (Built-in Mathematica Symbol)

FindIntegerNullVector[{x_1, x_2, ..., x_n}] finds a list of integers a_i such that a_1 x_1 + a_2 x_2 + \[CenterEllipsis] + a_n x_n == 0. FindIntegerNullVector[{x_1, x_2, ..., ...

GeometricMean (Built-in Mathematica Symbol)

GeometricMean[list] gives the geometric mean of the values in list.

GoldenRatio (Built-in Mathematica Symbol)

GoldenRatio is the golden ratio \[Phi] = 1/2 (Sqrt[5] + 1), with numerical value \[TildeEqual] 1.61803.

HeavisideTheta (Built-in Mathematica Symbol)

HeavisideTheta[x] represents the Heaviside theta function \[Theta](x), equal to 0 for x < 0 and 1 for x > 0. HeavisideTheta[x_1, x_2, ...] represents the multidimensional ...