DiscreteDelta (Built-in Mathematica Symbol)

DiscreteDelta[n_1, n_2, ...] gives the discrete delta function \[Delta] (n_1, n_2, ...), equal to 1 if all the n_i are zero, and 0 otherwise.

DistributionParameterQ (Built-in Mathematica Symbol)

DistributionParameterQ[dist] yields True if dist is a valid distribution, and yields False otherwise.

Divisible (Built-in Mathematica Symbol)

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

Install (Built-in Mathematica Symbol)

Install["name"] starts a MathLink-compatible external program and installs Mathematica definitions to call functions in it.

Integers (Built-in Mathematica Symbol)

Integers represents the domain of integers, as in x \[Element] Integers.

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.

LibraryFunctionLoad (Built-in Mathematica Symbol)

LibraryFunctionLoad[lib, fun, argtype, rettype] loads Wolfram Library lib and makes the library function fun available in Mathematica.

Lighter (Built-in Mathematica Symbol)

Lighter[color] represents a lighter version of the specified color. Lighter[color, f] represents a version of the specified color lightened by a fraction f. Lighter[image, ...

LogLinearPlot (Built-in Mathematica Symbol)

LogLinearPlot[f, {x, x_min, x_max}] generates a log-linear plot of f as a function of x from x_min to x_max. LogLinearPlot[{f_1, f_2, ...}, {x, x_min, x_max}] generates ...

MatrixQ (Built-in Mathematica Symbol)

MatrixQ[expr] gives True if expr is a list of lists or a two-dimensional SparseArray object that can represent a matrix, and gives False otherwise. MatrixQ[expr, test] gives ...