superdiagonal
subdiagonal
antidiagonal
principal diagonal
main diagonal
secondary diagonal
bidiagonal
scalar matrix
identity matrix
diagonalized
symmetric matrix
hemimatrix
quasipositive
Toeplitz matrix
offdiagonal
diagonal matrix
perimatrix
unitriangular
semimatrix
trace
diagonalisation
diagonalizable
diagonalization
singular matrix
unit matrix
diagonalize
column echelon form
right
apothem
leading diagonal
Hankel matrix
transpose
congruence
skew-symmetric
conference matrix
Brianchon hexagon
direct sum
Metzlerian
reduced row echelon form
eigendecompose
obtriangular
echelon
circulant
eigenvector
bisymmetric
contragredient
adjacency matrix
singular value decomposition
parted
bicollinear