MATLAB Function Reference

Matrix Functions - Numerical Linear Algebra

Matrix Analysis
cond	Condition number with respect to inversion
condeig	Condition number with respect to eigenvalues
det	Matrix determinant
norm	Vector and matrix norms
null	Null space of a matrix
orth	Range space of a matrix
rank	Rank of a matrix
rcond	Matrix reciprocal condition number estimate
rref, rrefmovie	Reduced row echelon form
subspace	Angle between two subspaces
trace	Sum of diagonal elements
Linear Equations
chol	Cholesky factorization
inv	Matrix inverse
lscov	Least squares solution in the presence of known covariance
lu	LU matrix factorization
lsqnonneg	Nonnegative least squares
minres	Minimum Residual Method
pinv	Moore-Penrose pseudoinverse of a matrix
qr	Orthogonal-triangular decomposition
symmlq	Symmetric LQ method
Eigenvalues and Singular Values
balance	Improve accuracy of computed eigenvalues
cdf2rdf	Convert complex diagonal form to real block diagonal form
eig	Eigenvalues and eigenvectors
gsvd	Generalized singular value decomposition
hess	Hessenberg form of a matrix
poly	Polynomial with specified roots
qz	QZ factorization for generalized eigenvalues
rsf2csf	Convert real Schur form to complex Schur form
schur	Schur decomposition
svd	Singular value decomposition
Matrix Functions
expm	Matrix exponential
funm	Evaluate general matrix function
logm	Matrix logarithm
sqrtm	Matrix square root
Low Level Functions
qrdelete	Delete column from QR factorization
qrinsert	Insert column in QR factorization

Coordinate System Conversion

Data Analysis and Fourier Transform Functions