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