characteristic root

短语

[计] 特征根

词形变化

characteristic roots 复数 characteristic roots

释义与例句

n.
  1. 1.

    An eigenvalue.

    数学

    1962 [Prentice Hall], Leonard E. Fuller, Basic Matrix Theory, 2017, Dover, page 217, There is an important relationship between the characteristic roots of a symmetric matrix and the r and p of the associated quadratic form. It is true that the number of positive characteristic roots is p, whereas the number of nonzero characteristic roots is r.

    2009, Babu Ram, Engineering Mathematics, Pearson Education India, page 13.56, Theorem 13.54. The characteristic roots of a Hermitian matrix are real.

词源

Calque of French racine caractéristique, the term preferred by French mathematician Augustin-Louis Cauchy (1789–1857).

来源：wiktionary