艾佛森括号：在数学中，以Kenneth E. Iverson命名的“艾佛森括号”（Iverson bracket），是一种用方括号记号，如果方括号内的条件满足则为1，不满足则为0。
英英释义
abstract:
1
In mathematics, the Iverson bracket, named after Kenneth E. Iverson, is a notation that denotes a number that is 1 if the condition in square brackets is satisfied, and 0 otherwise.