DirectSum
Returns the direct sum of two matrices.
DirectSum(...)
... |
List of one or more matrices |
Standard mathematical direct sum operator.
matrix
W. P. Bergsma w.p.bergsma@lse.ac.uk
Bergsma, W. P. (1997). Marginal models for categorical data. Tilburg, The Netherlands: Tilburg University Press. http://stats.lse.ac.uk/bergsma/pdf/bergsma_phdthesis.pdf
Bergsma, W. P., Croon, M. A., & Hagenaars, J. A. P. (2009). Marginal models for dependent, clustered, and longitudunal categorical data. Berlin: Springer.
a <- matrix(1:12,3,4) DirectSum(a) #returns a DirectSum(a,a) #returns direct sum of a and a DirectSum(a,a,a) #returns direct sum of a, a and a
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