noun🔗Share全射A function that is a many-to-one mapping; (formally) Any function f: X\rightarrow Y for which for every y \in Y, there is at least one x \in X such that f(x) = y."In the classroom, the function mapping each student's name to their assigned seat is a surjection because every seat is occupied by at least one student. "教室では、各生徒の名前を割り当てられた座席にマッピングする関数は、すべての座席が少なくとも1人の生徒によって占有されているため、全射です。mathfunctionChat with AIVocabulary GamePractice Reading
