Head (Built-in Mathematica Symbol)

Head[expr] gives the head of expr.

JacobiCD (Built-in Mathematica Symbol)

JacobiCD[u, m] gives the Jacobi elliptic function cd(u | m).

JacobiDC (Built-in Mathematica Symbol)

JacobiDC[u, m] gives the Jacobi elliptic function dc(u | m).

EllipticTheta (Built-in Mathematica Symbol)

EllipticTheta[a, u, q] gives the theta function \[CurlyTheta]_a (u, q) (a = 1, ..., 4).

KroneckerDelta (Built-in Mathematica Symbol)

KroneckerDelta[n_1, n_2, ...] gives the Kronecker delta \[Delta] Subscript[n, 1] Subscript[n, 2] ..., equal to 1 if all the n_i are equal, and 0 otherwise.

Options for Graphics (Mathematica Tutorial)

When Mathematica plots a graph for you, it has to make many choices. It has to work out what the scales should be, where the function should be sampled, how the axes should ...

LibraryFunctionUnload (Built-in Mathematica Symbol)

LibraryFunctionUnload[fun] unloads a LibraryFunction so that it cannot be used.

BesselY (Built-in Mathematica Symbol)

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

LibraryFunctionInformation (Built-in Mathematica Symbol)

LibraryFunctionInformation[fun] returns information about a LibraryFunction.

LibraryFunctionError (Built-in Mathematica Symbol)

LibraryFunctionError[name, code] represents an error returned from a LibraryFunction.