%s%                     Direct sum of two arrays
D.matrix                Duplication matrix
E.matrices              List of E Matrices
H.matrices              List of H Matrices
K.matrix                K Matrix
L.matrix                Construct L Matrix
N.matrix                Construct N Matrix
T.matrices              List of T Matrices
commutation.matrix      Commutation matrix for r by c numeric matrices
creation.matrix         Creation Matrix
direct.prod             Direct prod of two arrays
direct.sum              Direct sum of two arrays
duplication.matrix      Duplication matrix for n by n matrices
elimination.matrix      Elimination matrix for lower triangular
                        matrices
entrywise.norm          Compute the entrywise norm of a matrix
fibonacci.matrix        Fibonacci Matrix
frobenius.matrix        Frobenius Matrix
frobenius.norm          Compute the Frobenius norm of a matrix
frobenius.prod          Frobenius innter product of matrices
hadamard.prod           Hadamard product of two matrices
hankel.matrix           Hankel Matrix
hilbert.matrix          Hilbert matrices
hilbert.schmidt.norm    Compute the Hilbert-Schmidt norm of a matrix
inf.norm                Compute the infinitity norm of a matrix
is.diagonal.matrix      Test for diagonal square matrix
is.idempotent.matrix    Test for idempotent square matrix
is.indefinite           Test matrix for positive indefiniteness
is.negative.definite    Test matrix for negative definiteness
is.negative.semi.definite
                        Test matrix for negative semi definiteness
is.non.singular.matrix
                        Test if matrix is non-singular
is.positive.definite    Test matrix for positive definiteness
is.positive.semi.definite
                        Test matrix for positive semi-definiteness
is.singular.matrix      Test for singular square matrix
is.skew.symmetric.matrix
                        Test for a skew-symmetric matrix
is.square.matrix        Test for square matrix
is.symmetric.matrix     Test for symmetric numeric matrix
lower.triangle          Lower triangle portion of a matrix
lu.decomposition        LU Decomposition of Square Matrix
matrix.inverse          Inverse of a square matrix
matrix.power            Matrix Raised to a Power
matrix.rank             Rank of a square matrix
matrix.trace            The trace of a matrix
maximum.norm            Maximum norm of matrix
one.norm                Compute the one norm of a matrix
pascal.matrix           Pascal matrix
set.submatrix           Store matrix inside another matrix
shift.down              Shift matrix m rows down
shift.left              Shift a matrix n columns to the left
shift.right             Shift matrix n columns to the right
shift.up                Shift matrix m rows up
spectral.norm           Spectral norm of matrix
stirling.matrix         Stirling Matrix
svd.inverse             SVD Inverse of a square matrix
symmetric.pascal.matrix
                        Symmetric Pascal matrix
toeplitz.matrix         Toeplitz Matrix
u.vectors               u vectors of an identity matrix
upper.triangle          Upper triangle portion of a matrix
vandermonde.matrix      Vandermonde matrix
vec                     Vectorize a matrix
vech                    Vectorize a matrix
