diagonal matrix
zero matrix
null matrix
singular matrix
nonsingular matrix
direct sum
diagonalization
identity matrix
diagonalisation
perimatrix
symmetric matrix
principal diagonal
main diagonal
elliptope
stochastic matrix
sparsing
superdiagonal
hemimatrix
secondary diagonal
defective matrix
characteristic root of a square matrix
eigenvalue of a square matrix
eigenvalue of a matrix
eigenvalue
subdiagonal
left nullspace
scalar matrix
QR decomposition
antidiagonal
concave function
element
conference matrix
trace
preconditioner
Latin square
precover
semimatrix
singular value decomposition
row echelon form
affine variety
transpose
lumpability
zero tensor
elementary matrix
corank
bimatrix
unit matrix
minimal polynomial
projective variety
tridiagonalization