Iverson bracket

名词 n.

英文释义

名词 n.
  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.

词形变化

词源

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