identity matrix
scalar matrix
hemimatrix
diagonal matrix
trace
superdiagonal
conference matrix
unit matrix
main diagonal
principal diagonal
secondary diagonal
direct sum
subdiagonal
singular value decomposition
diagonalisation
nonsingular matrix
semimatrix
bimatrix
elliptope
Toeplitz matrix
antidiagonal
diagonalization
perimatrix
transpose
singular matrix
symmetric matrix
Laplacian matrix
element
matrix multiplication
tridiagonality
power-associative algebra
magic square
tridiagonalization
hemicube
defective matrix
de Bruijn torus
zero matrix
Tutte matrix
gridding
row space
quadratic form
congruence
row vector
Russian peasant multiplication
similarity
Hermitian matrix
matrix addition
sparsing
all-one polynomial
comatrix