indicator function
(Q371983)
function that returns 1 if an element is present in a specified subset and 0 if absent; naturally isomorphic with a set's subsets
function that returns 1 if an element is present in a specified subset and 0 if absent; naturally isomorphic with a set's subsets
Language:
Current Data About
indicator function
| (P279) |
(Q11348)
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| (P2534) |
\mathbf{1}_A(x) := \begin{cases} 1 ~&\text{ if }~ x \in A~, \\ 0 ~&\text{ if }~ x \notin A~. \end{cases}
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| (P2579) |
(Q114704935)
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| (P6104) |
(Q8487137)
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| (P7235) |
\mathbf{1}_A
A
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other details
| aliases |
characteristic function |
| description | function that returns 1 if an element is present in a specified subset and 0 if absent; naturally isomorphic with a set's subsets |
External Links
| (P646) |
/m/01jyfs
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| (P1296) |
0153348
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| (P3365) |
indicatrice
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| (P6366) |
53099996
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| (P9621) |
funzione-indicatrice
funzione-caratteristica |
| (P12385) |
funcio-indicatriu-duna-part-dun-conjunt
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