---------------------------------------------------------------- Matrix Analysis ---------------------------------------------------------------- cond Matrix condition number. det Determinant. etree Elimination tree of a matrix. norm Matrix or vector norm. null Null space. orth Orthogonalization. rcond LINPACK reciprocal condition estimator. rank Number of linearly independent rows or columns. rref 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 in the presence of known covariance. lu Factors from Gaussian elimination. nnls Non-negative least-squares. pinv Pseudoinverse. qr Orthogonal-triangular decomposition. \ and / Linear equation solution. -------------------------------------------------------------------
---------------------------------------------------------------------------------- Eigenvalues and Singular Values ---------------------------------------------------------------------------------- balance Diagonal scaling to improve eigenvalue accuracy. cdf2rdf Complex diagonal form to real block diagonal form. eig Eigenvalues and eigenvectors. hess Hessenberg form. poly Characteristic polynomial. qz Generalized eigenvalues. rsf2csf Real block diagonal form to complex diagonal 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 columns from QR factorization. qrinsert Insert columns into QR factorization. ----------------------------------------------------------
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