bdiagRep | R Documentation |
It creates a block diagonal matrix by repeating the input matrix several times.
bdiagRep(x, times)
x |
A numeric or character matrix (or values) |
times |
Number of times of |
A numeric or character block diagonal matrix
Mike W.-L. Cheung <mikewlcheung@nus.edu.sg>
bdiagMat
, matrix2bdiag
## Block diagonal matrix of numerics
bdiagRep( matrix(1:4,nrow=2,ncol=2), 2 )
# [,1] [,2] [,3] [,4]
# [1,] 1 3 0 0
# [2,] 2 4 0 0
# [3,] 0 0 1 3
# [4,] 0 0 2 4
## Block diagonal matrix of characters
bdiagRep( matrix(letters[1:4],nrow=2,ncol=2), 2 )
# [,1] [,2] [,3] [,4]
# [1,] "a" "c" "0" "0"
# [2,] "b" "d" "0" "0"
# [3,] "0" "0" "a" "c"
# [4,] "0" "0" "b" "d"
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