MCMCglmm (version 1.06)

commutation: Commutation Matrix

Description

Forms an mn x mn commutation matrix which transforms $vec({\bf A})$ into $vec({\bf A}^{'})$, where ${\bf A}$ is an m x n matrix

Usage

commutation(m, n)

Arguments

m

integer; number of rows of A

n

integer; number of columns of A

Value

• Commutation Matrix

References

Magnus, J. R. & Neudecker, H. (1979) Annals of Statistics 7 (2) 381-394

Examples

commutation(2,2)