In mathematics, an indicator function or a characteristic function is a function defined on a set X that indicates membership of an element in a subset A of X, having the value 1 for all elements of A and the value 0 for all elements of X not in A. ==Definition== The Iverson bracket allows the equivalent notation, [x ∈ A], to be used instead of ...
Found on
http://en.wikipedia.org/wiki/Indicator_function
Its value is 0 or infinity, according to whether a point is in a (given) set or not.
Found on
http://glossary.computing.society.informs.org/index.php?page=I.html
No exact match found.
