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