"critical function" meaning in All languages combined

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    {
      "form": "critical functions",
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      "expansion": "critical function (plural critical functions)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
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      "glosses": [
        "Any function, in the calculus of variations, that satisfies the Euler equations"
      ],
      "id": "en-critical_function-en-noun-4xsXJOZT",
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          "mathematics",
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          "calculus of variations"
        ],
        [
          "Euler equation",
          "Euler equation"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any function, in the calculus of variations, that satisfies the Euler equations"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "critical function"
}

{
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    {
      "form": "critical functions",
      "tags": [
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        "Any function, in the calculus of variations, that satisfies the Euler equations"
      ],
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        "(mathematics) Any function, in the calculus of variations, that satisfies the Euler equations"
      ],
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  ],
  "word": "critical function"
}