bdiagMat function

Block-Diagonal Expansion of a List of Matrices

The function bdiagMat builds a single matrix with block-diagonal from a list of matrices.

bdiagMat(x)

Arguments

• x: a list of matrices, or a single matrix.

Returns

A matrix with block-diagonal form if x is a list, or otherwise x itself if a matrix.

Author(s)

Antonio Gasparrini <antonio.gasparrini@lshtm.ac.uk >

See Also

See functions bldiag in package metafor.

Examples

# GENERATE A LIST OF MATRICES, AND CREATE THE BLOCK-DIAGONAL MATRIX
(matlist <- list(matrix(1:4,2), matrix(1:8,2)))
bdiagMat(matlist)