i
identity function
Function that always returns the same value that was used as its argument
EntityQ321119
Also known as identity map · identity transformation · identity operator · id · Identity function · identity relation
- Subclass of
- bijection
- , self-mapping
- , idempotent function
- +2 more
Overview
All data
22 statements · 9% with external sources · numbers in brackets are citations
- Defining formula
x \mapsto x
- TeX string
- \operatorname{id}
On other databases
9 identifiers linking identity function across the web's reference databases