zero matrix
null matrix
singular matrix
diagonal matrix
nonsingular matrix
row-reduced
stochastic matrix
unitriangular
sparsing
quasipositive
direct sum
bidiagonal
positive definite
eigenvalue of a matrix
element
eigenvalue
characteristic root of a square matrix
elliptope
zero tensor
eigenvalue of a square matrix
preconditioner
skew-symmetric
Metzlerian
QR decomposition
left nullspace
matricial
nonmatrix
minimal polynomial
quasideterminant
de Bruijn torus
division algebra
unitary
perimatrix
array
matrician
singular
stoquastic
nilsequence
nullary
diagonalization
contragredient
diagonalisation
identity matrix
matrical
unitary group
copositive
defective matrix
null prefix
matrix group
almost everywhere