English edit

English Wikipedia has an article on:

Etymology edit

per- +‎ symmetric

Adjective edit

persymmetric (not comparable)

  1. (mathematics, of a square matrix) Such that the values on each line perpendicular to the main diagonal are the same for a given line.
  2. (mathematics, of a square matrix, now more commonly) Symmetrical about the anti-diagonal.
    Synonym: Hankel

Related terms edit