# bdiagMat: Create a Block Diagonal Matrix In metaSEM: Meta-Analysis using Structural Equation Modeling

## Description

It creates a block diagonal matrix from a list of numeric or character matrices.

## Usage

 `1` ```bdiagMat(x) ```

## Arguments

 `x` A list of numeric or character matrices (or values)

## Value

A numeric or character block diagonal matrix

## Author(s)

Mike W.-L. Cheung <[email protected]>

## References

It was based on a function posted by Scott Chasalow at http://www.math.yorku.ca/Who/Faculty/Monette/pub/stmp/0827.html.

`bdiagRep`, `matrix2bdiag`
 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15``` ```## Block diagonal matrix of numerics bdiagMat( list(matrix(1:4,nrow=2,ncol=2), matrix(5:6,nrow=1,ncol=2)) ) # [,1] [,2] [,3] [,4] # [1,] 1 3 0 0 # [2,] 2 4 0 0 # [3,] 0 0 5 6 ## Block diagonal matrix of characters bdiagMat( list(matrix(letters[1:4],nrow=2,ncol=2), matrix(letters[5:6],nrow=1,ncol=2)) ) # [,1] [,2] [,3] [,4] # [1,] "a" "c" "0" "0" # [2,] "b" "d" "0" "0" # [3,] "0" "0" "e" "f" ```