"characteristic function" meaning in All languages combined

See characteristic function on Wiktionary

Noun [English]

Forms: characteristic functions [plural]
Head templates: {{en-noun}} characteristic function (plural characteristic functions)
  1. (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. Synonyms (function equal to 1 on elements of a given set): indicator function
    Sense id: en-characteristic_function-en-noun-yfEAqGH9 Categories (other): Mathematical analysis, English links with redundant alt parameters, Pages with 1 entry, Terms with Bulgarian translations Disambiguation of English links with redundant alt parameters: 63 37 Disambiguation of Pages with 1 entry: 45 55 Disambiguation of Terms with Bulgarian translations: 52 48 Topics: mathematical-analysis, mathematics, sciences Disambiguation of 'function equal to 1 on elements of a given set': 95 5
  2. (mathematics, probability theory) A complex function completely defining the probability distribution of a real-valued random variable Translations (a complex function completely defining a probability distribution): характеристична функция (harakteristična funkcija) [feminine] (Bulgarian), karakteristinen funktio (Finnish)
    Sense id: en-characteristic_function-en-noun-iQUueA1M Categories (other): Functions, Mathematics, Probability theory, English entries with incorrect language header, Entries with translation boxes, Pages with 1 entry, Pages with entries, Terms with Bulgarian translations, Terms with Finnish translations Disambiguation of English entries with incorrect language header: 41 59 Disambiguation of Entries with translation boxes: 41 59 Disambiguation of Pages with 1 entry: 45 55 Disambiguation of Pages with entries: 44 56 Disambiguation of Terms with Bulgarian translations: 52 48 Disambiguation of Terms with Finnish translations: 45 55 Topics: mathematics, probability-theory, sciences Disambiguation of 'a complex function completely defining a probability distribution': 18 82
The following are not (yet) sense-disambiguated
Hypernyms: function Hyponyms: point characteristic function Related terms: subset classifier

Inflected forms

{
  "forms": [
    {
      "form": "characteristic functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "characteristic function (plural characteristic functions)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "_dis1": "55 45",
      "word": "function"
    }
  ],
  "hyponyms": [
    {
      "_dis1": "55 45",
      "word": "point characteristic function"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "_dis1": "55 45",
      "word": "subset classifier"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Mathematical analysis",
          "orig": "en:Mathematical analysis",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "63 37",
          "kind": "other",
          "name": "English links with redundant alt parameters",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "Terms with Bulgarian translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "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."
      ],
      "id": "en-characteristic_function-en-noun-yfEAqGH9",
      "links": [
        [
          "mathematical analysis",
          "mathematical analysis"
        ],
        [
          "function",
          "function"
        ],
        [
          "domain",
          "domain"
        ]
      ],
      "raw_glosses": [
        "(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."
      ],
      "synonyms": [
        {
          "_dis1": "95 5",
          "sense": "function equal to 1 on elements of a given set",
          "word": "indicator function"
        }
      ],
      "topics": [
        "mathematical-analysis",
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Functions",
          "orig": "en:Functions",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Probability theory",
          "orig": "en:Probability theory",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "Terms with Bulgarian translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A complex function completely defining the probability distribution of a real-valued random variable"
      ],
      "id": "en-characteristic_function-en-noun-iQUueA1M",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "probability theory",
          "probability theory"
        ],
        [
          "function",
          "function"
        ],
        [
          "real",
          "real"
        ]
      ],
      "raw_glosses": [
        "(mathematics, probability theory) A complex function completely defining the probability distribution of a real-valued random variable"
      ],
      "topics": [
        "mathematics",
        "probability-theory",
        "sciences"
      ],
      "translations": [
        {
          "_dis1": "18 82",
          "code": "bg",
          "lang": "Bulgarian",
          "lang_code": "bg",
          "roman": "harakteristična funkcija",
          "sense": "a complex function completely defining a probability distribution",
          "tags": [
            "feminine"
          ],
          "word": "характеристична функция"
        },
        {
          "_dis1": "18 82",
          "code": "fi",
          "lang": "Finnish",
          "lang_code": "fi",
          "sense": "a complex function completely defining a probability distribution",
          "word": "karakteristinen funktio"
        }
      ]
    }
  ],
  "word": "characteristic function"
}
{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English links with redundant alt parameters",
    "English multiword terms",
    "English nouns",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with Bulgarian translations",
    "Terms with Finnish translations"
  ],
  "forms": [
    {
      "form": "characteristic functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "characteristic function (plural characteristic functions)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "function"
    }
  ],
  "hyponyms": [
    {
      "word": "point characteristic function"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "subset classifier"
    }
  ],
  "senses": [
    {
      "categories": [
        "en:Mathematical analysis"
      ],
      "glosses": [
        "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."
      ],
      "links": [
        [
          "mathematical analysis",
          "mathematical analysis"
        ],
        [
          "function",
          "function"
        ],
        [
          "domain",
          "domain"
        ]
      ],
      "raw_glosses": [
        "(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."
      ],
      "topics": [
        "mathematical-analysis",
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        "en:Functions",
        "en:Mathematics",
        "en:Probability theory"
      ],
      "glosses": [
        "A complex function completely defining the probability distribution of a real-valued random variable"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "probability theory",
          "probability theory"
        ],
        [
          "function",
          "function"
        ],
        [
          "real",
          "real"
        ]
      ],
      "raw_glosses": [
        "(mathematics, probability theory) A complex function completely defining the probability distribution of a real-valued random variable"
      ],
      "topics": [
        "mathematics",
        "probability-theory",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "function equal to 1 on elements of a given set",
      "word": "indicator function"
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "lang_code": "bg",
      "roman": "harakteristična funkcija",
      "sense": "a complex function completely defining a probability distribution",
      "tags": [
        "feminine"
      ],
      "word": "характеристична функция"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "a complex function completely defining a probability distribution",
      "word": "karakteristinen funktio"
    }
  ],
  "word": "characteristic function"
}

Download raw JSONL data for characteristic function meaning in All languages combined (2.4kB)


This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2025-11-12 from the enwiktionary dump dated 2025-11-01 using wiktextract (1db9922 and 2de17fa). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.