Array

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An array is a systematic arrangement of objects, usually in rows and columns. Specifically, it may refer to:

In computer science[edit]

Generally, a collection of data items that can be selected by indices computed at run-time, including:

  • Array data structure, an arrangement of items at equally spaced addresses in computer memory
  • Array data type, used in a programming language to specify a variable that can be indexed
  • Associative array, an abstract data structure model that generalizes arrays to arbitrary indices

or various kinds of the above, such as

or various related concepts:

  • Array processor, a computer to process arrays of data (not to be confused with a processor array)
  • Array programming, using matrix algebra notation in programs (not the same as array processing)
  • Array slicing, the extraction of sub-arrays of an array

or also:

In mathematics and statistics[edit]

In technology[edit]

Various arrangements of multiple individual components to create a single system, such as:

In astronomy[edit]

A telescope array, also called astronomical interferometer, such as the:

In biology[edit]

In music[edit]

Other[edit]