antidiagonal
subdiagonal
superdiagonal
principal diagonal
main diagonal
secondary diagonal
bidiagonal
diagonalized
perimatrix
scalar matrix
Toeplitz matrix
symmetric matrix
singular matrix
hemimatrix
unitriangular
contragredient
identity matrix
diagonal matrix
semimatrix
lignel
diagonalizable
diagonalisation
transpose
quasipositive
diagonalize
reduced row echelon form
diagonalization
echelon
element
matrical
congruence
eigenvector
column echelon form
matrix algebra
Jacobian
diagonal
row space
row echelon form
unit matrix
offdiagonal
Hankel matrix
singular value decomposition
skew-symmetric
entry
upside down
alternant
QR decomposition
LU
cytomatrix
bicollinear