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 ...

Chart Styling & Layout (Mathematica Guide)

From overall layout to details of particular features, Mathematica allows broad manual and programmatic control of the appearance of charts —fully integrated with its ...

Some General Notations and Conventions (Mathematica Tutorial)

The names of built-in functions follow some general guidelines. The main expression or object on which a built-in function acts is usually given as the first argument to the ...

Spacer (Built-in Mathematica Symbol)

Spacer[w] displays as a spacer w printer's points wide.Spacer[{w, h}] displays as a spacer w points wide and a total of h points high.Spacer[{w, h, dh}] makes the spacer ...

Map (Built-in Mathematica Symbol)

Map[f, expr] or f /@ expr applies f to each element on the first level in expr. Map[f, expr, levelspec] applies f to parts of expr specified by levelspec.

Combine and Rearrange Lists (Mathematica How To)

Mathematica provides a complete data manipulation language with vast flexibility in rearranging lists with any number of elements in any kind of structure.

ToNumberField (Built-in Mathematica Symbol)

ToNumberField[a, \[Theta]] expresses the algebraic number a in the number field generated by \[Theta]. ToNumberField[{a_1, a_2, ...}, \[Theta]] expresses the a_i in the field ...

GroupElementQ (Built-in Mathematica Symbol)

GroupElementQ[group, g] returns True if the object g is an element of group and False otherwise.

Erosion (Built-in Mathematica Symbol)

Erosion[image, ker] gives the morphological erosion of image with respect to the structuring element ker.Erosion[image, r] gives the erosion with respect to a range-r square.

ArrayQ (Built-in Mathematica Symbol)

ArrayQ[expr] gives True if expr is a full array or a SparseArray object, and gives False otherwise. ArrayQ[expr, patt] requires expr to be a full array with a depth that ...