Iverson bracket

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A notation that denotes a number that is 1 if the condition in square brackets is satisfied, and 0 otherwise, i.e. (where P is a true or false statement)

    "[P]=1ifPistrue;\0otherwise."

Synonyms

All synonyms
conditional notationindicator bracketindicator functionindicator notationindicator usagesum notation

Etymology

Named after Kenneth E. Iverson, who introduced this notation in his programming language APL.

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