"matriz identidade" meaning in Portuguese

{
  "forms": [
    {
      "form": "matrizes identidade",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "matrizes identidades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "matrizes identidade",
        "pl2": "+"
      },
      "expansion": "matriz identidade f (plural matrizes identidade or matrizes identidades)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese nouns with multiple plurals",
          "parents": [
            "Nouns with multiple plurals",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Linear algebra",
          "orig": "pt:Linear algebra",
          "parents": [
            "Algebra",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "identity matrix (diagonal matrix with all diagonal elements equal to 1)"
      ],
      "id": "en-matriz_identidade-pt-noun-YTNDl0o-",
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "identity matrix",
          "identity matrix"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) identity matrix (diagonal matrix with all diagonal elements equal to 1)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "matriz identidade"
}

{
  "forms": [
    {
      "form": "matrizes identidade",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "matrizes identidades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "matrizes identidade",
        "pl2": "+"
      },
      "expansion": "matriz identidade f (plural matrizes identidade or matrizes identidades)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese feminine nouns",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "Portuguese nouns with multiple plurals",
        "Portuguese nouns with red links in their headword lines",
        "pt:Linear algebra"
      ],
      "glosses": [
        "identity matrix (diagonal matrix with all diagonal elements equal to 1)"
      ],
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "identity matrix",
          "identity matrix"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) identity matrix (diagonal matrix with all diagonal elements equal to 1)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "matriz identidade"
}