English Dictionary

Jordan block

noun

(mathematics) A Jordan block over a ring R (whose identities are the zero 0 and one 1) is a matrix composed of 0 elements everywhere except for the diagonal, which is filled with a fixed element λ ∈ R, and the superdiagonal, which is composed of ones.

The Jordan block is a square matrix with a single eigenvalue on the main diagonal and ones on the superdiagonal.

意味（1）

(mathematics) A Jordan block over a ring R (whose identities are the zero 0 and one 1) is a matrix composed of 0 elements everywhere except for the diagonal, which is filled with a fixed element λ ∈ R, and the superdiagonal, which is composed of ones.