Preimage - What does it mean?
preimage | |
has no English definition.
(mathematics) The set containing exactly every member of the domain of a function such that the member is mapped by the function onto an element of a given subset of the codomain of the function. Formally, of a subset B'' of the codomain ''Y'' under a function ƒ, the subset of the domain ''X defined by
is likely misspelled.
has no English definition.
As a noun preimage
is the set containing exactly every member of the domain of a function such that the member is mapped by the function onto an element of a given subset of the codomain of the function. Formally, of a subset B of the codomain Y under a function ƒ, the subset of the domain X defined by.preimage
English
(Function)Noun
(en noun)- For example, the preimage of {4, 9} under the squaring function is the set {?3,?2,+2,+3}.