lazy.mat {lazy.mat} | R Documentation |

This package provides the following categories of functions:

b_diag: Makes a Block Diagonal Matrix from the Arguments.

chkginv: Check if the the second matrix is a generalized inverse of the first one, or vice versa.

Diag: Diag(x) creats a diagonam matrix from its argument vector or matrix.

matSwp: Matrix Sweep Operator

Ginv: Generalized Inverse.

interleave: Interleaves the columns of two matrices.

pmat: Generate a permutation matrix to switch row or column.

repmat: Stack a matrix n times either horizontally or vertically.

ssq: Returns the doubly weighted sum of squares of all the elements of A.

tr: trace of the input matrix.

transp: Transpose each matrix contained in a list/array/syupermatrix..

vec: Vectorization of a matrix.

vecdiag: Returns diagonal elements of A as a vector.

vech: Vectorization of the lower or upper half of a square matrix.

vechindex: Returns the index to convert vech(Mat) to Mat and vice versa.

vechinv: Recover the Symmetric Matrix from its lower or upper half elements stored in a vector created by vech function.

vecindex: Returns the index to convert vec(Mat) to vec(t(Mat)) and vice versa.

a2l: Convert array to list.

a2m: Convert array to supermatrix.

getSM: Extract a submatrix from a supermatrix.

modSM<-: Assign values to the submatrix of a supermatrix.

l2a: Convert list to array.

m2a: Convert supermatrix to array.

Mh2Mv: Convert a horizontally stacked supermatrix to a vertially stacked one.

Mv2Mh: Convert a vertically stacked supermatrix to a horizontally stacked one.

supermat: Declare a supermatrix with SMdim attribute.

ABtoAB: Linear Constraints Matrices: from (A, d) and (B, c) to (AA,dd,EE,gg) and (BB,cc).

AtoB: Linear Constraints Matrices: form A to form B conversion.

BtoA: Linear Constraints Matrices: form B to form A conversion.

QRGS: QR decomposition of X matrix by the Gram Schmidt. orthogonalization or Finding non redundant columns of X.

JacobianMat: Numerical Evaluation of Jacobian of a Function.

Integrate: Numerical Integration of a Function.

pathdist: Calculation of Path Distance.

[Package *lazy.mat* version 0.1.3 Index]