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principal diagonal
 

Definitions from WordNet

Noun principal diagonal has 1 sense
  1. main diagonal, principal diagonal - the diagonal of a square matrix running from the upper left entry to the lower right entry
    --1 is a kind of diagonal

Definitions from the Web

Principal Diagonal

Definition

The principal diagonal refers to the line of elements in a matrix that runs from the top left corner to the bottom right corner. It divides the matrix into two sections, the upper triangular part and the lower triangular part.

Parts of Speech

  • Noun

Senses

  1. The main diagonal line in a matrix.

Usages and Sample Sentences

Noun

  1. Usage:

    The principal diagonal of a square matrix is always composed of its diagonal elements.

    Sample Sentence:

    In the 3x3 matrix, the principal diagonal consists of the elements 5, 2, and 8.

    Related Products:
    Matrix Algebra Books
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