"L-行列" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 字種混合表記",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "えるぎょうれつ"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 数値解析",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "日本語 線型代数学",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "全ての対角成分が正であるZ-行列。"
      ],
      "id": "ja-L-行列-ja-noun-0N-IiJVT",
      "raw_tags": [
        "数値解析"
      ],
      "topics": [
        "linear algebra"
      ]
    }
  ],
  "word": "L-行列"
}

{
  "categories": [
    "日本語",
    "日本語 名詞",
    "日本語 字種混合表記"
  ],
  "forms": [
    {
      "form": "えるぎょうれつ"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        "日本語 数値解析",
        "日本語 線型代数学"
      ],
      "glosses": [
        "全ての対角成分が正であるZ-行列。"
      ],
      "raw_tags": [
        "数値解析"
      ],
      "topics": [
        "linear algebra"
      ]
    }
  ],
  "word": "L-行列"
}