unit function
التعريفات والمعاني
== English ==
=== Noun ===
unit function (plural unit functions)
(mathematics) a completely multiplicative function on the positive integers that is defined as equal to one for a special value and zero otherwise:
ε
(
n
)
=
{
1
,
if
n
=
1
0
,
if
n
≠
1
{\displaystyle \varepsilon (n)={\begin{cases}1,&{\mbox{if }}n=1\\0,&{\mbox{if }}n\neq 1\end{cases}}}
==== Hypernyms ====
multiplicative function
==== Hyponyms ====
Heaviside unit function
=== References ===
unit function on Wikipedia.Wikipedia