heptadiagonal

English

Etymology

From hepta- +‎ diagonal.

Adjective

heptadiagonal (not comparable)

  1. (of a matrix) Having nonzero entries along the main diagonal, the three diagonals on either side of the main diagonal, and the three diagonals near each corner, only.

Quotations

For quotations using this term, see Citations:heptadiagonal.