characteristic function
Jump to navigation
Jump to search
English[edit]
Noun[edit]
characteristic function (plural characteristic functions)
- (mathematical analysis) A function which is equal to 1 for all points in its domain which belong to a given set, and is equal to 0 for all points in the domain which do not belong to that given set.
- (mathematics, probability theory) A complex function completely defining the probability distribution of a real-valued random variable
Usage notes[edit]
- The characteristic function of a set A is often represented as χA.
Synonyms[edit]
- (function equal to 1 on elements of a given set): indicator function
Hypernyms[edit]
Hyponyms[edit]
Translations[edit]
function equal to one on elements of a given set — see indicator function
a complex function completely defining a probability distribution
|