doBy (version 4.4.0)

linearAlgebra: Linear Algebra

Description

Several function for linear algebra calculations.

Usage

spur(U)
	 spurAB(A,B)
	 fatAB(A,B)
	 fatBL(B,L)
	 orthComplement(W)

Arguments

U

square matrix

A

a X b matrix

B

b X a matrix

L

a X l matrix

W

k X r matrix

Details

spur returns the trace of a square matrix, spurAB the trace of a product, fatAB the matrix L such that = { B b | Lb=0 } , fatBL the matrix A such that = { B b | Lb=0 } . and orthComplement returns the orhogonal complement of .

See Also

save.

Examples

## save all data
	 x<-3