surjective
a. [数]满射的
发音
UK
/səˈd͡ʒɛktɪv/
US
/sɚˈd͡ʒɛktɪv/
释义与例句
adj.
-
1.
Of, relating to, or being a surjection.
满射的
数学1974, Thomas W. Hungerford, Algebra, Springer, page 5, A function f is surjective (or onto) provided f(A)=B; in other words, for each b∈B,b=f(a) for some a∈A. A function f is said to be bijective (or a bijection or a one-to-one correspondence) if it is both injective and surjective.