Sparse Arrays (Mathematica Guide)

Mathematica has special sparse-array technology for efficiently handling arrays with literally astronomical numbers of elements when only a small fraction of the elements are ...

EdgeQ (Built-in Mathematica Symbol)

EdgeQ[g, e] yields True if e is an edge in the graph g and False otherwise.

Structure Matrices & Convolution Kernels (Mathematica Guide)

Mathematica provides built-in functions for generating standard structure matrices and convolution kernels in any number of dimensions, in a form that can be used directly in ...

Evaluation Control (Mathematica Guide)

Mathematica normally takes any expression it is given, and evaluates it as far as possible. But built into the Mathematica language is a collection of flexible primitives ...

RegionPlot3D (Built-in Mathematica Symbol)

RegionPlot3D[pred, {x, x_min, x_max}, {y, y_min, y_max}, {z, z_min, z_max}] makes a plot showing the three-dimensional region in which pred is True.

\[Xnor] (Mathematica Character Name)

Unicode: F4A2 Alias: Esc xnor Esc. Infix operator with built-in evaluation rules. x  y is by default interpreted as Xnor[x,y].

\[CapitalOSlash] (Mathematica Character Name)

Unicode: 00D8. Alias: Esc O/ Esc. Letter. Included in ISO Latin-1. Not the same as \[EmptySet] or \[Diameter].

\[CommandKey] (Mathematica Character Name)

Unicode: F76A. Alias: Esc cmd Esc. Letter-like form. Representation of the Cmd or Alt key on a keyboard.

\[Diameter] (Mathematica Character Name)

Unicode: 2300. Letter-like form. Used in geometry. Not the same as \[CapitalOSlash] or \[EmptySet].

\[DiamondSuit] (Mathematica Character Name)

Unicode: 2662. Letter-like form. Sometimes used to indicate the end of a proof. Not the same as \[Diamond] or \[EmptyDiamond].