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Article #16079

Kronecker products.

#16079
From: Rolf Turner
Date: Thu, 05 Mar 1992 03:04
16 lines
844 bytes
Doug Nychka asks ``Is there an easy way to do Kronecker products in S?''

Yes:

kron<-function(a,b){
	matrix(aperm(a %o% b, c(3, 1, 4, 2)),
	nrow = nrow(a) * nrow(b), ncol = ncol(a) * ncol(b))
}


				cheers,
	
					Rolf Turner
					rolf@math.unb.ca
D
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From: rolf@math.unb.ca (Rolf Turner)
Newsgroups: aus.stats.s
Subject: Kronecker products.
Message-ID: <9203050219.AA19215@halmos.math.UNB.CA>
Date: 5 Mar 92 03:04:46 GMT
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