"utility function" meaning in English

{
  "forms": [
    {
      "form": "utility functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "utility function (plural utility functions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
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          "name": "English entries with topic categories using raw markup",
          "parents": [
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Functions",
          "orig": "en:Functions",
          "parents": [
            "Algebra",
            "Calculus",
            "Geometry",
            "Mathematical analysis",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Game theory",
          "orig": "en:Game theory",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A mathematical function that assigns a real number to every element of the outcome space in a way that captures the agent's preferences over both simple and compound lotteries."
      ],
      "id": "en-utility_function-en-noun-kQEgJQWj",
      "links": [
        [
          "game theory",
          "game theory"
        ],
        [
          "function",
          "function"
        ]
      ],
      "raw_glosses": [
        "(game theory) A mathematical function that assigns a real number to every element of the outcome space in a way that captures the agent's preferences over both simple and compound lotteries."
      ],
      "topics": [
        "computing",
        "engineering",
        "game-theory",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "mathematical function",
          "tags": [
            "feminine"
          ],
          "word": "užitková funkce"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "mathematical function",
          "word": "hasznossági függvény"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "mathematical function",
          "tags": [
            "neuter"
          ],
          "word": "nytjafall"
        },
        {
          "code": "tl",
          "lang": "Tagalog",
          "sense": "mathematical function",
          "word": "kabisa ng dahat"
        }
      ],
      "wikipedia": [
        "Utility"
      ]
    }
  ],
  "word": "utility function"
}

{
  "forms": [
    {
      "form": "utility functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "utility function (plural utility functions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Functions",
        "en:Game theory"
      ],
      "glosses": [
        "A mathematical function that assigns a real number to every element of the outcome space in a way that captures the agent's preferences over both simple and compound lotteries."
      ],
      "links": [
        [
          "game theory",
          "game theory"
        ],
        [
          "function",
          "function"
        ]
      ],
      "raw_glosses": [
        "(game theory) A mathematical function that assigns a real number to every element of the outcome space in a way that captures the agent's preferences over both simple and compound lotteries."
      ],
      "topics": [
        "computing",
        "engineering",
        "game-theory",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Utility"
      ]
    }
  ],
  "translations": [
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "mathematical function",
      "tags": [
        "feminine"
      ],
      "word": "užitková funkce"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "mathematical function",
      "word": "hasznossági függvény"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "mathematical function",
      "tags": [
        "neuter"
      ],
      "word": "nytjafall"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "sense": "mathematical function",
      "word": "kabisa ng dahat"
    }
  ],
  "word": "utility function"
}