GatherBy (Built-in Mathematica Symbol)

GatherBy[list, f] gathers into sublists each set of elements in list that gives the same value when f is applied.GatherBy[list, {f_1, f_2, ...}] gathers list into nested ...

Permutation Lists (Mathematica Tutorial)

A possible way of working with permutations is by relating them to the reorderings of the elements of a list. This is the standard point of view in the combinatorial approach ...

Partitions and Compositions (Combinatorica Package Guide)

GZIP (Mathematica Import/Export Format)

MIME type: application/x-gzip GZIP compression method and file format. General-purpose lossless compression method. Commonly used for archiving data and for exchanging files ...

Complex (Built-in Mathematica Symbol)

Complex is the head used for complex numbers.

ImagePerspectiveTransformation (Built-in Mathematica Symbol)

ImagePerspectiveTransformation[image, m] applies a linear fractional transform specified by a matrix m to the positions of each pixel in ...

TranslationTransform (Built-in Mathematica Symbol)

TranslationTransform[v] gives a TransformationFunction that represents translation of points by a vector v.

With (Built-in Mathematica Symbol)

With[{x = x_0, y = y_0, ...}, expr] specifies that in expr occurrences of the symbols x, y, ... should be replaced by x_0, y_0, ....

Defining Output Formats (Mathematica Tutorial)

Just as Mathematica allows you to define how expressions should be evaluated, so also it allows you to define how expressions should be formatted for output. The basic idea ...

Named Characters (Mathematica Tutorial)

Mathematica provides systemwide support for a large number of special characters. Each character has a name and a number of shortcut aliases. They are fully supported by the ...