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Array vs Permutation - What's the difference?

array | permutation |

In lang=en terms the difference between array and permutation

is that array is to set in order, as a jury, for the trial of a cause; that is, to call them one at a time while permutation is a transformation of a set's prime form, by applying one or more of certain operations, specifically, transposition, inversion, and retrograde.

As nouns the difference between array and permutation

is that array is clothing and ornamentation while permutation is a one-to-one mapping from a finite set to itself.

As a verb array

is to clothe and ornament; to adorn or attire.

array

English

Noun

(en noun)
  • Clothing and ornamentation.
  • (Dryden)
  • A collection laid out to be viewed in full.
  • An orderly series, arrangement or sequence.
  • * Prescott
  • a gallant array of nobles and cavaliers
  • Order; a regular and imposing arrangement; disposition in regular lines; hence, order of battle.
  • drawn up in battle array
  • * Gibbon
  • wedged together in the closest array
  • A large collection.
  • * Byron
  • their long array of sapphire and of gold
    We offer a dazzling array of choices.
  • * {{quote-news, year=2011
  • , date=October 23 , author=Phil McNulty , title=Man Utd 1 - 6 Man City , work=BBC Sport citation , page= , passage=Mario Balotelli, in the headlines for accidentally setting his house ablaze with fireworks, put City on their way with goals either side of the interval as United struggled to contain the array of attacking talent in front of them.}}
  • (programming) Any of various data structures designed to hold multiple elements of the same type; especially , a data structure that holds these elements in adjacent memory locations so that they may be retrieved using numeric indices.
  • (legal) A ranking or setting forth in order, by the proper officer, of a jury as impanelled in a cause; the panel itself; or the whole body of jurors summoned to attend the court.
  • (military) A militia.
  • Usage notes

    * (any of various data structures) The exact usage of the term , and of related terms, generally depends on the programming language. For example, many languages distinguish a fairly low-level "array" construct from a higher-level "list" or "vector" construct. Some languages distinguish between an "array" and a variety of "associative array"; others have only the latter concept, calling it an "array".

    Derived terms

    * * * * *

    Antonyms

    * (orderly series) disarray

    See also

    * (any of various data structures) ones-based indexing, zero-based indexing

    Verb

  • To clothe and ornament; to adorn or attire
  • He was arrayed in his finest robes and jewels.
  • To lay out in an orderly arrangement; to deploy or marshal
  • (legal) To set in order, as a jury, for the trial of a cause; that is, to call them one at a time.
  • (Blackstone)

    permutation

    English

    Noun

    (wikipedia permutation) (en noun)
  • (mathematics) A one-to-one mapping from a finite set to itself.
  • This permutation takes each element to the one following it, with the last mapped back to the first.
  • (mathematics, combinatorics) An ordering of a finite set of distinct elements.
  • There are six permutations of three elements, e.g. {abc, acb, bac, bca, cab, cba}.
  • (music) A transformation of a set's prime form, by applying one or more of certain operations, specifically, transposition, inversion, and retrograde.
  • Anagrams

    * importunate

    See also

    * (combinatorics) combination ----