"bent function" meaning in English

{
  "etymology_text": "So called because they are as different as possible from all linear functions (the simplest or \"straight-line\" functions) and from all affine functions (which preserve parallel lines).",
  "forms": [
    {
      "form": "bent functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bent function (plural bent 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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Combinatorics",
          "orig": "en:Combinatorics",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A Boolean function f: Z ₂ⁿ→ Z ₂ whose Walsh transform has constant absolute value."
      ],
      "id": "en-bent_function-en-noun-vRUu~e16",
      "links": [
        [
          "combinatorics",
          "combinatorics"
        ],
        [
          "Boolean function",
          "Boolean function"
        ],
        [
          "Walsh transform",
          "Walsh transform"
        ],
        [
          "constant",
          "constant"
        ],
        [
          "absolute value",
          "absolute value"
        ]
      ],
      "raw_glosses": [
        "(combinatorics) A Boolean function f: Z ₂ⁿ→ Z ₂ whose Walsh transform has constant absolute value."
      ],
      "topics": [
        "combinatorics",
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "bent function"
      ]
    }
  ],
  "word": "bent function"
}

{
  "etymology_text": "So called because they are as different as possible from all linear functions (the simplest or \"straight-line\" functions) and from all affine functions (which preserve parallel lines).",
  "forms": [
    {
      "form": "bent functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bent function (plural bent functions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Combinatorics"
      ],
      "glosses": [
        "A Boolean function f: Z ₂ⁿ→ Z ₂ whose Walsh transform has constant absolute value."
      ],
      "links": [
        [
          "combinatorics",
          "combinatorics"
        ],
        [
          "Boolean function",
          "Boolean function"
        ],
        [
          "Walsh transform",
          "Walsh transform"
        ],
        [
          "constant",
          "constant"
        ],
        [
          "absolute value",
          "absolute value"
        ]
      ],
      "raw_glosses": [
        "(combinatorics) A Boolean function f: Z ₂ⁿ→ Z ₂ whose Walsh transform has constant absolute value."
      ],
      "topics": [
        "combinatorics",
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "bent function"
      ]
    }
  ],
  "word": "bent function"
}