Iverson bracket

noun

Iverson bracket

noun

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

Mathematics, Sciences 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.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.