Definition of off-diagonal in English:

off-diagonal

Line breaks: off-diagonal

adjective

Mathematics
  • Denoting an element of a square matrix that is not on the diagonal running from the upper left to the lower right.
    More example sentences
    • In this symmetric case, the stability matrix A has all diagonal elements equal and all off-diagonal elements equal.
    • In contrast, the off-diagonal elements, representing autocorrelation across equations, are generally negative, although small in value.
    • The main diagonal of the matrix contains the correct responses for each stimulus, whereas the incorrect/confused responses correspond to the off-diagonal elements.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space