Vocab Bloom Hub

principal diagonal

/ˈprɪnsəpəl daɪˈæɡənəl/

翻译: 在线性代数中,主对角线(或主对角线)是矩阵中从左上角到右下角的元素连线。它是矩阵运算和性质中使用的基本概念。

1 个条目

phrase

/ˈprɪnsəpəl daɪˈæɡənəl/C1formaltechnical
  • zh在线性代数中,主对角线(或主对角线)是矩阵中从左上角到右下角的元素连线。它是矩阵运算和性质中使用的基本概念。

In linear algebra, the principal diagonal (or main diagonal) of a matrix is the line of entries from the top-left corner to the bottom-right corner. It is a fundamental concept used in matrix operations and properties.

  1. Main diagonal of a matrixC1formal

    The diagonal of a square matrix that runs from the top-left corner to the bottom-right corner.

    zh主对角线

    • The sum of the elements on the principal diagonal is called the trace.
    • In a diagonal matrix, all non-zero elements lie on the principal diagonal.
    • The principal diagonal of the identity matrix consists entirely of ones.