positroid
pregeometry
corank
rank
preconditioner
combinatorial geometry
groundset
singular matrix
sparsing
mother's line
matrilineality
minimal polynomial
lumpability
null matrix
graphoid
supermatrix
Laplace expansion
eigenvalue
eigenvalue of a square matrix
characteristic root of a square matrix
eigenvalue of a matrix
bimatrix
nonsingular matrix
chirotope
supertorus
Jacobian
microspheroid
stochastic matrix
zero matrix
posteroconid
spheroidal
cytomatrix
defective matrix
extramatrix
elementary matrix
microlattice
quasideterminant
xenosphere
matrix multiplication
parathyroid
transformation matrix
diagonal matrix
direct sum
unitary
hyperparathyroidism
hypochondrism
Russian peasant multiplication
minimum
metamobilome
mesokurtosis
singular value decomposition
matrix addition
hypoflexid
socle
aleph-nought
Kocher-Debre-Semelaigne syndrome
trace
aleph-null
bialgebroid
aleph-zero