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xaddw
2012 Feb 10
2
Split matrix into square submatices
Hi everybody,
I'm looking for an optimal way to split a big matrix (e.g. ncol = 8,
nrow=8) into small square submatrices (e.g. ncol=2, nrow=2)
For example
If I have
> h
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
[1,] 1 9 17 25 33 41 49 57
[2,] 2 10 18 26 34 42 50 58
[3,] 3 11 19 27 35 43 51 59
[4,] 4 12 20 28 36