英和和英

名詞

unit function (複数形 unit functions)

1. (mathematics) a completely multiplicative function on the positive integers that is defined as equal to one for a special value and zero otherwise:

${\displaystyle \varepsilon (n)={\begin{cases}1,&{\mbox{if }}n=1\\0,&{\mbox{if }}n\neq 1\end{cases}}}$

上位語

• multiplicative function

下位語

• Heaviside unit function

参照

• unit function on Wikipedia.