Function Summary
Category
|
Function
|
Description
|
Matrix analysis
|
norm
|
Matrix or vector norm.
|
|
normest
|
Estimate the matrix 2-norm.
|
|
rank
|
Matrix rank.
|
|
det
|
Determinant.
|
|
trace
|
Sum of diagonal elements.
|
|
null
|
Null space.
|
|
orth
|
Orthogonalization.
|
|
rref
|
Reduced row echelon form.
|
|
subspace
|
Angle between two subspaces.
|
Linear equations
|
\ and /
|
Linear equation solution.
|
|
inv
|
Matrix inverse.
|
|
cond
|
Condition number for inversion.
|
|
condest
|
1-norm condition number estimate.
|
|
chol
|
Cholesky factorization.
|
|
cholinc
|
Incomplete Cholesky factorization.
|
|
lu
|
LU factorization.
|
|
luinc
|
Incomplete LU factorization.
|
|
qr
|
Orthogonal-triangular decomposition.
|
|
lsqnonneg
|
Nonnegative least-squares.
|
|
pinv
|
Pseudoinverse.
|
|
lscov
|
Least squares with known covariance.
|
Eigenvalues and singular values
|
eig
|
Eigenvalues and eigenvectors.
|
|
svd
|
Singular value decomposition.
|
|
eigs
|
A few eigenvalues.
|
|
svds
|
A few singular values.
|
|
poly
|
Characteristic polynomial.
|
|
polyeig
|
Polynomial eigenvalue problem.
|
|
condeig
|
Condition number for eigenvalues.
|
|
hess
|
Hessenberg form.
|
|
qz
|
QZ factorization.
|
|
schur
|
Schur decomposition.
|
Matrix functions
|
expm
|
Matrix exponential.
|
|
logm
|
Matrix logarithm.
|
|
sqrtm
|
Matrix square root.
|
|
funm
|
Evaluate general matrix function.
|
