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unit matrix

/ˈjuːnɪt ˈmeɪtrɪks/

翻译: 主对角线上元素全为1、其余元素全为0的方阵,也称为单位矩阵。

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phrase

C1formalcommonscientific/ˈjuːnɪt ˈmeɪtrɪks/

A square matrix in which all the elements of the principal diagonal are ones and all other elements are zeros, also known as an identity matrix.

  • 🇨🇳主对角线上元素全为1、其余元素全为0的方阵,也称为单位矩阵。
  1. Identity matrix C1 formal

    A square matrix in which all the elements of the principal diagonal are ones and all other elements are zeros.

    • The unit matrix is often denoted by the symbol I.
    • Multiplying any matrix by the unit matrix leaves it unchanged.
    • In linear algebra, the unit matrix serves as the multiplicative identity.

    🇨🇳单位矩阵